Liverpool manager Jurgen Klopp has accused the Premier League of ignoring the mental and physical welfare of players with its refusal to sanction five substitutions.

The issue was neither raised nor discussed at a Premier League shareholders' meeting this week despite Klopp and other managers, such as Manchester United's Ole Gunnar Solskjaer, regularly highlighting the issue.

Clubs had previously been allowed to make five changes during the restart last season, but the Premier League twice voted against continuing it before the start of the current campaign.

The English Football League has since voted to allow managers to make five subs if needed, with the rule already in place in the Champions League and elsewhere in Europe.

Klopp again spoke at length on the subject at a media conference on Friday ahead of Liverpool's Premier League fixture with Wolves.

"I was not surprised because I knew about it. I think that information speaks for itself, nobody thought it would go through," Klopp said of the meeting.

"I told you the facts that if we would have voted in the managers' meeting, which we were not allowed to, then it would have been through, 100 per cent, with 15 or 16 votes.

"That it didn’t happen since then is obviously a sign that some shareholders see it differently to their managers.

"That's not really a good sign as it shows that these people really ignore the player welfare. The coaches don't do that but these people do it.

"If we don't have a chance to vote for it then we have to accept it for the moment, but because it's about player welfare – mental health and player welfare, it's a whole package.

"We will not stop fighting for it because it’s just the right thing to do."

Klopp claimed England will suffer from player burnout at next year's European Championship if the issue is not addressed.

The German also maintained that Liverpool were not seeking an advantage on the pitch, despite the club's injury problems this season, but simply looking after the best interests of all players.

"Next summer it will become a problem for Gareth Southgate," he added.

"Because all the players Gareth wants to pick, most of them play three times a week and will do that from February on again, so Gareth will get what we can give him.

"If they stick with three subs, it becomes an FA problem. [Fulham manager] Scott Parker mentioned in the managers' meeting that for Fulham three subs is better because five would be an advantage for bigger squads.

"But he doesn't think we should vote on it. He thought the Premier League or FA should decide on it."

Klopp continued: "It is not about Liverpool. It's about all the players and load-management, and nothing else. Not to get an advantage, but to deal with the problem of the COVID-19 situation in the best possible way.

"We cannot just ignore it because some people say it would be an advantage for others. It would not be an advantage; I cannot say it often enough. It's not about Liverpool.

"It's just the right thing to do. I'm pretty sure all the teams have to play now every three days from now on. It will be massive for all teams, everybody will feel the difference to other seasons."

Liverpool defender Trent Alexander-Arnold and midfielder Naby Keita could be available for their Premier League fixture with Wolves, according to manager Jurgen Klopp.

Alexander-Arnold has been absent since he picked up a hamstring injury in Liverpool's 1-1 draw with Manchester City last month while Keita was forced off during their 3-0 win over Leicester City with a similar problem.

However, Klopp revealed the pair may be in contention to play some part against Wolves at Anfield on Sunday.

"Trent and Naby will do the first steps in training today," Klopp told a media conference on Friday.

"There's a chance that Naby and Trent could be in the squad, but if they can play 90 minutes, I don't know.

"We had some niggles in the game against Ajax, so we have to see how that develops. Apart from Naby and Trent, nobody else is coming back.

"Alex Oxlade-Chamberlain looks really promising, he's doing a lot of stuff with the team, but we will develop that now over the next few days and weeks and see from which moment on it makes sense to throw him in."

Goalkeeper Alisson Becker is still out with a hamstring injury so Klopp looks set to persist with 22-year-old Caoimhin Kelleher in goal.

Kelleher was selected ahead of usual back-up keeper Adrian for Liverpool's 1-0 win over Ajax in the Champions League and made a number of fine saves.

Klopp said: "He [Kelleher] looked good, but he is a really calm person so he will not be flying the whole week.

"He is a hard worker. There is no doubt he will deal with all the fuss around him really well.

"It was a big call to throw him in that game. Thank God it worked out, that's not always the case. For him it was right, that's good, and we'll see how he carries on."

Liverpool will play a game at Anfield in front of supporters for the first time since March, with 2,000 fans allowed into the ground after coronavirus restrictions were eased.

The Reds have lost just one of their 12 Premier League meetings with Wolves (won nine and drawn two), winning each of the previous seven in a row by an aggregate score of 15-2.

Klopp encouraged his players to produce a performance worthy of their fans' return to the ground.

"I hope it will be a great experience for all of us," added the German.

"As a player, I played often in front of 2,000 people – they were not always in the best mood, to be honest, so 2,000 people can create a bad mood – but after a long break, our fans will be in the best shape.

"At Anfield, it is not important how many they are, it's about how big your influence will be. First and foremost, they have to enjoy the game.

"Now we have a few fans back, especially nice for the people. Very important for the clubs because it gives us the chance to show that we can deal with it and maybe soon we can bring in more people.

"Our job is to deliver results and performances."

Wolves striker Raul Jimenez should be able to leave hospital "by early next week" after suffering a fractured skull against Arsenal on Sunday, his club have confirmed.

Jimenez was involved in a sickening clash of heads with Arsenal defender David Luiz in Wolves' 2-1 victory over the Gunners.

The fifth-minute incident left Jimenez requiring medical attention on the pitch for about 10 minutes before he could be safely carried away on a stretcher.

While David Luiz suffered only a cut to his head, Wolves revealed the next morning that Jimenez sustained a fractured skull and underwent surgery.

Wolves are not setting a timeframe for his rehabilitation – at least not publicly – though they confirmed on Thursday the Mexican should be home by early next week at the latest.

A statement attributed to Wolves doctor Matt Perry on the club's website read: "Following Raul's injury on Sunday, and the subsequent surgery, he has been recovering well in hospital.

"We are delighted with the reports from his specialist; he has made excellent progress. He should be ready to leave hospital by early next week.

"Once home, he will be reunited with his partner and young daughter who, because of COVID restrictions, he hasn't seen since Sunday night.

"As his doctor I am not going to disclose any more details of his injury, his surgery or provide daily accounts of his recovery.

"Any injury of this nature is complex and timescales are uncertain but it's safe to say that Raul’s most immediate needs are simple: space, rest and peace.

"Raul and his family are very thankful for the privacy they have been given, and for the overwhelming support they have felt from the football family and beyond.

"Raul is extremely grateful for all the messages of goodwill he continues to receive, which will certainly help him during his recovery."

Either way, Jimenez looks set for a lengthy spell out and that will come as a huge blow to Wolves.

Since the start of last season, Jimenez has attempted 111 shots (excluding blocks), a figure bettered by only Mohamed Salah (118) in the Premier League.

Jimenez also ranks highly with respect to shots on target (54) in that time, behind Salah (74), Jamie Vardy (58), Dominic Calvert-Lewin (56) and Marcus Rashford (55).

The Mexico international is also the league's ninth-highest goalscorer with 21 goals since 2019-20 began, while his 27 goal involvements puts him up there with the division's best – only nine others have been more influential.

Wolves are seventh in the Premier League after 10 matches but climbing even further up the table will be an uphill battle without Jimenez.

Liverpool forward Diogo Jota has revealed he idolised Portugal team-mate Cristiano Ronaldo when he was a youngster.

Jota, 24 on Friday, is just under 12 years younger than Juventus star Ronaldo and while growing up was in awe of a player he now features alongside at international level.

The two players have both been in fine form for their club sides this season – Jota has scored nine goals in 15 appearances in all competitions for the Premier League champions.

Ronaldo, meanwhile, has managed nine goals in seven games for the Serie A title holders.

Jota told The Athletic: "My earliest memories are from the Euro 2004 when Portugal reached the final and unfortunately we lost. I was seven and I remember it well.

"Cristiano Ronaldo was my hero. At that time, he was 19 but he was already playing at the Euros with so much quality.

"During my childhood, he was at Manchester United and Real Madrid. As Portuguese guys, we always looked upon him as our main reference."

On Sunday, Jota will face former club Wolves for the first time since he joined Liverpool in September.

He claimed the influence of Liverpool manager Jurgen Klopp has helped him make such an impressive start to life at Anfield.

Jota added: "When you reach a new club, having an open mind is key to be able to adapt as quickly as possible.

"With the season underway already, it was up to me to find a way to get into the team and not the opposite. That’s what I did with the help of Jurgen.

"He’s a fantastic manager who took care of me. When I first arrived, he had a meeting with me and he explained how the team works.

"Then it’s down to the player to try to learn as fast as you can and to prove to the manager that you can be an important player for him on the field."

Raul Jimenez hopes he can return to action "soon" but will remain under observation for the time being after suffering a fractured skull against Arsenal on Sunday.

Wolves claimed a 2-1 win at Emirates Stadium but the occasion was soured early on by a sickening injury sustained by the Mexican.

In just the fifth minute, Jimenez contested an aerial duel with David Luiz and the pair clashed heads.

He required roughly 10 minutes of medical attention before he was eventually carried away on a stretcher and taken to hospital for checks.

It was discovered he suffered a fracture to his skull and underwent an operation that night.

Wolves released a statement on Monday confirming the procedure had taken place and that he was "comfortable" following the surgery – they were hesitant to outline a recovery period.

Jimenez has, understandably, also stopped short of setting a target as he provided a first personal update on social media.

He wrote: "Thanks for your support messages. I will be under observation and I hope to return to the pitch soon."

Mexico international Jimenez has been an integral part of Wolves' team since joining from Benfica, initially on loan, in 2018.

He has scored 34 times in 86 Premier League appearances, while he also impressed on the European stage last term with 10 in 15 Europa League outings as Wolves reached the quarter-finals.

Manchester City goalkeeper Ederson has backed calls for concussion substitutions in football following the injuries to Wolves striker Raul Jimenez and Arsenal's David Luiz.

Jimenez suffered a fractured skull after a clash of heads with David Luiz in the first half of his side's 2-1 Premier League win at Emirates Stadium on Sunday.

The Mexico international required lengthy medical attention and oxygen before being carried off on a stretcher and taken to hospital, where he is recovering.

David Luiz continued playing after having his head bandaged, but the defender was substituted at half-time after his cut began to bleed again.

The incident has amplified focus on the risk of lasting head trauma to footballers amid a campaign in England for the game's authorities to take greater steps to reduce the danger of later-life health problems such as dementia.

While Arsenal boss Mikel Arteta insisted David Luiz was cleared to continue after adhering to concussion protocols, Alan Shearer, the Premier League's record goalscorer, insisted more must be done to safeguard players from serious head injury.

"Football needs to get real, it needs to wake up, it needs to get serious. Not next year, next month, now. It is not acceptable, it has been going too far too long," Shearer, who has previously presented a documentary on dementia, said on BBC's Match of the Day.

Ederson, a former team-mate of Jimenez at Benfica, told reporters on Monday: "I was very worried. I was watching the game. It was an accidental clash, head to head but very difficult.

"All the concern and all the care at the moment is very important. It is a part of the body that is very fragile and needs special attention, I agree when there is a blow to the head there should be a substitution whether the player can continue or not because you might be feeling okay because you're warmed up, but after the game you could feel the consequences.

"It is something we cannot change, it is accidental. It wasn't an intentional blow they just went to compete for the ball, but we know the risks of a head injury. I hope he recovers quickly and will be back as soon as possible."

City face Porto in the Champions League on Tuesday.

Watford captain Troy Deeney defended Arsenal from criticism after allowing David Luiz to play on with a head injury against Wolves, while brain injury association Headway has outlined why the club's actions were worrying.

Brazilian defender David Luiz was involved in a sickening collision of heads with Raul Jimenez in the fifth minute of Arsenal's 2-1 defeat on Sunday.

Jimenez, 29, required oxygen prior to being carried off the pitch on a stretcher after medical professionals tended to him for 10 minutes.

Further highlighting the force of the clash, it was confirmed by Wolves on Monday that the Mexico international suffered a fractured skull, but the club stressed the player is "comfortable" after undergoing surgery.

Protocols in the Premier League state that anyone suspected to be suffering from concussion must be immediately taken off, yet it was not until half-time that – in Mikel Arteta's words – the "really uncomfortable" David Luiz was withdrawn, though the Spaniard insisted guidelines were followed.

In the wake of the incident, Deeney attracted widespread criticism when suggesting players should be trusted to know whether they are capable of playing on or not.

Speaking on TalkSPORT, he said: "At some point there has to be an element of trust between player and doctor. You do have all the protocols in place.

"As a player you know when something's not right. Watching David Luiz for 20 minutes afterwards, he never looked shaky on his feet, his legs weren't going from underneath him.

"They followed all the protocols in terms of he's ticked every box, then afterwards you don't see anything other than blood to suggest he's in a bad way."

Headway picked up on Arteta's assertion David Luiz did not lose consciousness, adding that is only ever prominent in 10 per cent of concussion cases.

The charity is also once again demanding the implementation of a 'concussion substitute' rule akin to that used in cricket and rugby due to the known risks and potential long-term health implications associated with such an injury.

Headway deputy chief executive officer Luke Griggs said: "Only last week we strongly criticised the International Football Association Board (IFAB) for its continued procrastination in introducing concussion substitutes into the sport.

"We have repeatedly warned about the risks to players and the importance of elite-level sport setting a good example for impressionable younger players to follow.

"Too often in football, we see players returning to the pitch having undergone a concussion assessment – only to be withdrawn a few minutes later when it is clear that they are not fit to continue.

"That is the very reason why we urgently need temporary concussion substitutes in football. You simply cannot take a risk with head injuries. They are not like muscular injuries where you can put a player back on 'to see if they can run it off'. One further blow to the head when concussed could have serious consequences.

"The question that has to be asked is, had the concussion substitutes rule been in place, would Luiz have been allowed to return to the field of play? Would that extra time in the treatment room have led to a different decision being made?

"The concussion protocol clearly states that '…anyone with a suspected concussion must be immediately removed from play', while the sport continues to promote an 'if in doubt, sit it out' approach to head injuries.

"Time and time again we are seeing this rhetoric not being borne out by actions on the pitch. Something is not right. This cannot be allowed to continue. How many warnings does football need?"

Raul Jimenez suffered a fractured skull and underwent surgery after a sickening injury in Wolves' win at Arsenal on Sunday, the club have confirmed.

Jimenez collided heavily with Arsenal centre-back David Luiz when defending a fifth-minute corner at Emirates Stadium and left the field on a stretcher after receiving oxygen and lengthy medical attention.

Wolves provided an update on Monday, confirming the nature of the injury and adding that the Mexican was "comfortable" after an operation.

"Raul is comfortable following an operation last night, which he underwent in a London hospital," read a club statement.

"He has since seen his partner Daniela and is now resting. He will remain under observation for a few days while he begins his recovery.

"The club would like to thank the medical staff at Arsenal, the NHS paramedics, hospital staff and surgeons who, through their skill and early response, were of such help.

"The club ask that Raul and his family are now afforded a period of space and privacy, before any further updates are provided in due course."

Managers Nuno Espirito Santo and Mikel Arteta wished Jimenez well following the match, with much of the post-game talk centred on the 29-year-old's health.

The visitors managed to retain their focus to win the contest 2-1, with all three goals coming in the first half.

Daniel Podence's effort just before the break settled matters, lifting Wolves up to sixth.

Mikel Arteta is determined to rouse Pierre-Emerick Aubameyang from his scoring slump after the Arsenal captain continued to fire blanks in the Premier League defeat to Wolves.

Arsenal head coach Arteta said Aubameyang's form is his "biggest concern", pointing to how important the Gabon international's goals have been to the Gunners, who lost 2-1 at home to Wolves on Sunday.

Aubameyang took five shots and had nine touches in the opposition penalty area against Wolves – both personal highs for the season – but only one of those shots was on target.

The 31-year-old has not scored in open play in the Premier League since Arsenal began their campaign by easing past Fulham 3-0 at Craven Cottage in September.

Aubameyang's penalty allowed Arsenal to beat Manchester United at the start of November, but the familiar dependable flow of goals from the former Borussia Dortmund star has been stemmed this season.

Asked if he was worried, Arteta said: "I think we all are because the main goalscorer of the club at the moment isn't scoring goals, so my biggest concern is how to help him more to score goals because we need his goals.

"How important Auba has been for this club in the last two years and how the goal sheet has been shared among the squad tells you his importance.

"He needs to be scoring goals if we want to be successful."

Aubameyang scored 22 of Arsenal's 73 goals in the 2018-19 season as they finished fifth in the Premier League, then fired another 22 from a meagre 56 Gunners goals as they trailed home eighth last term.

Arteta will want goals to come from all areas of his team, but the reality is that they have been reliant on Aubameyang's consistency in recent seasons, and with his input declining the team are struggling.

Arsenal sit 14th in the Premier League with 13 points from 10 games, having lost three successive home games in the competition, and are eight points behind the leaders, who happen to be their north London rivals Tottenham.

The points tally is their lowest from the first 10 games of a campaign since a slow start in 1981, when Arsenal mustered a mere 12 points from their opening 11 matches before winning six in a row.

Arsenal travel to Tottenham on Sunday, and to get the better of Jose Mourinho's side they may need Aubameyang to rediscover his shooting prowess.

If Arsenal need any reminder of how a line-leading striker can perform for his team, they need look no further than Tottenham's Harry Kane, whose league-high 16 goal involvements (seven goals, nine assists) have helped Spurs edge ahead of champions Liverpool on goal difference at the summit.

Aubameyang's two goals and one assist is a meagre return, given he has started every game, with his minutes-per-goal average declining from one every 142.64 last season to a dismal one every 448.5 this term.

Tottenham's Son Heung-min, who has netted nine times in the Premier League this term, has got those at one every 91.22 minutes, with Kane not far behind with a goal every 127.71 minutes.

With an off-key Aubameyang, it could make for a grim derby day for Arteta.

Mikel Arteta conceded his Arsenal team are low on confidence after their slump continued with a 2-1 defeat at home to Wolves.

Pedro Neto and Daniel Podence scored first-half goals either side of Gabriel's equaliser as Wolves claimed a deserved Premier League victory.

The visitors' success came amid concern over the wellbeing of Raul Jimenez, their striker who left the field on a stretcher after a sickening clash of heads with David Luiz.

Arsenal's tally of 13 points is their lowest return after 10 minutes of any league campaign since 1981-82, with their latest reverse marking the one-year anniversary of Unai Emery's departure in inauspicious fashion.

"They had two shots on target in the first half and scored twice. The team showed a real resilience, togetherness and belief to try to win in the second half. We generated the chances but didn't score," Arteta told BBC Sport, with his side now down in 14th place.

"We need more goals to win football matches. We need to keep supporting the players. All players go through [tough] periods. We're creating chances but struggling to score goals. That's the difference between winning and losing."

Arsenal have now lost three successive home games and won one of their past six games at all venues in the Premier League.

"When you lose matches the confidence goes down because they believe things can happen again," Arteta said.

"You need to win after a defeat. We've been doing this in my time here. This is the first time since we've been here [that they've had a losing run]."

David Luiz was substituted at half-time, playing on for 40 minutes after the Jimenez incident.

Arteta insisted Arsenal followed concussion protocols correctly, explaining discomfort from a cut to his head was the reason for withdrawing the experienced Brazil defender.

"The doctor did all the tests and protocols to make sure the player was safe to continue," Arteta said.

"David was just worried about his cut, he never lost consciousness. He couldn't really head the ball, he was uncomfortable - nothing else - so we took him off."

Raul Jimenez was "awake and breathing" in hospital following the sickening head injury the Wolves striker suffered during Sunday's 2-1 Premier League win at Arsenal.

Jimenez collided heavily with Arsenal centre-back David Luiz when defending a fifth-minute corner at Emirates Stadium and left the field on a stretcher after receiving oxygen and lengthy medical attention.

As their team-mate was transported to hospital, where he is conscious and has undergone a scan, Wolves outplayed their hosts, with goals from Pedro Neto and Daniel Podence either side of Gabriel's equaliser good enough to claim the points and lift them to sixth in the table.

"When it happened, you knew straight away," captain Conor Coady told Sky Sports when asked about the severity of the incident, after which David Luiz played on but was substituted at half-time.

"I hope David Luiz is okay too, it was a horrible clash of heads. You don’t like to see it in football.

"It was a tough thing that happened. We just hope and pray that everything's okay.

"I was just behind him, so I jumped with him as well and you heard it. As they dropped… he was on his side, it was important we kept him on his side.

"It's something you never want to see with one of your team-mates or anyone in the Premier League.

"He's the one thing that matters today. We got a fantastic result but all that matters is making sure Raul and David Luiz are okay."

After the match, updates over Jimenez's condition were the first thing Coady and his colleagues asked about.

"He's in the hospital and by all accounts he's awake and breathing. I don’t know too much," the England defender said.

"It's important now we get Raul sorted because it was a massive collision."

Wolves boss Nuno Espirito Santo explained that concern will remain until the extent of the injuries suffered by Jimenez are known.

"He's doing a scan now. He's conscious. He's okay inside the gravity of the problem, of course," said the Wolves manager.

"It is serious. It was a bad moment for everybody, both teams, both players. We wish everything to be okay. Now we are worried, of course.

"You see the panic in their eyes [the medical staff] and you think the very worst. We are worried.

"He speaks, he is aware and now he is doing a proper assessment. He is in good hands."

In the circumstance, Nuno was delighted by the performance of his team as Neto, Podence and Adama Traore all dazzled in a superb attacking display.

"Amazing, amazing. I'm very proud today. This team showed heart. A will, a belief, the way they ran and worked was really good to see," he said.

"Today was a reflection of how much these players believe in themselves and how much they grow as a unit."

Despite experiencing a result that leaves his side languishing 14th in the table, Arsenal boss Mikel Arteta's first thoughts were also with the stricken Jimenez.

"Obviously we are worried about Jimenez because it looked really nasty. When you see the concern of the players you know something bad is happening," Arteta said.

"We would like to send our love to him and his family and hopefully it is not as bad as it looks."

Wolves recovered from the shock of a sickening injury to top scorer Raul Jimenez to claim a 2-1 Premier League victory at Arsenal.

Jimenez appeared to be knocked unconscious following a fifth-minute clash of heads with David Luiz and received oxygen on the field during almost 10 minutes of treatment before being taken to hospital.

In the absence of their top scorer, Wolves hit the front through Pedro Neto and, although Gabriel briefly headed Arsenal level, the visitors claimed a deserved three points through Daniel Podence's superbly taken 42nd-minute winner.

The result moves Wolves up to sixth in the table, with Arsenal languishing in 14th.

Following the long delay and amid a fog of deep concern over Jimenez's wellbeing, Wolves took a 27th-minute lead.

Adama Traore got the better of Kieran Tierney down the Arsenal left and Neto was on hand to convert when Leander Dendoncker's header came back off the crossbar.

The visitors' advantage did not last long, with Gabriel powering home Willian's cross from a well-worked short corner.

Opportunism and poor Arsenal defending were again evident when Wolves made it 2-1 - Podence deftly lifting a bouncing ball over Gabriel and finding a finish after Bernd Leno saved Neto's deflected strike with his legs.

Traore was influential during the build-up once more and then slashed a stoppage-time attempt into the side netting.

The direct running of Wolves' attackers continued to cause Arsenal problems after the break and Hector Bellerin needed a last-ditch block to deny Podence with an hour played.

Wolves' superiority appeared to encourage sloppiness inside the final 20 minutes, with chances offered up to Pierre-Emerick Aubameyang and Reiss Nelson.

Aubameyang remains without a Premier League goal in open play since the opening weekend of the season and headed wastefully over from Bellerin's 82nd-minute delivery.

What does it mean? Arsenal mark Emery anniversary in unfortunate style

Exactly a year on from Unai Emery being relieved of his duties at Emirates Stadium, Arsenal seem no closer to once again being a Premier League force. The congested nature of the early-season table means their lowly position should not cause huge concern, but they have now won one and lost four of their past six league matches, scoring just twice in that period.

Blood-stained Luiz gives football questions to answer

Having been a blameless participant in the horrific Jimenez accident, it is hard to imagine what an ordeal playing on must have been for David Luiz. However, it feels like there is a much more straightforward conclusion when it comes to whether or not he should have been allowed to continue.

To take an example from another sport, where concussion substitutes have recently been introduced, Australia cricket star Steve Smith passed an initial concussion test after being struck by a Jofra Archer bouncer, but was withdrawn from the remainder of last year's second Ashes Test when he failed a subsequent examination the morning after.

Luiz may not deteriorate similarly but it felt wrong for him to be allowed to play on, with Arsenal eventually replacing him at half-time. Once again in the area of concussion, football's protocols appeared unfit for purpose.

What's next?

Arsenal entertain Rapid Vienna in the Europa League on Thursday before facing the short trip to Tottenham for the north London derby on Sunday, when Wolves face a similarly tricky assignment at Liverpool.

Wolves striker Raul Jimenez was substituted after suffering an apparently severe head injury during Sunday's Premier League game at Arsenal.

Jimenez was helping his team defend a corner four-and-a-half minutes into the match at Emirates Stadium when he suffered a sickening clash of heads with Gunners defender David Luiz, who was attacking Willian's right-wing corner.

David Luiz was able to continue after having his head bandaged and undergoing concussion protocols, but Jimenez was treated for almost 10 minutes on the turf before being taken from the field on a stretcher.

He appeared to be unconscious after the impact and received oxygen from medical staff while on the pitch.

The 29-year-old Mexico international, who was taken straight to hospital, had four goals in nine Premier League appearances this season ahead of this weekend. He has been directly involved in 27 top-flight goals (21 goals and six assists) since the start of last season.

Wolves' record signing Fabio Silva was introduced in place of Jimenez, and the game was 1-1 before the half hour, with Arsenal defender Gabriel swiftly cancelling out Pedro Neto's opener.

Mikel Arteta wants misfiring Arsenal to play with more freedom in the Premier League and make Emirates Stadium a fortress - starting with a clash against Wolves on Sunday.

The Gunners have scored just nine goals in as many top-flight games this season, only finding the back of the net once in their last five - and that was a Pierre-Emerick Aubameyang penalty in the win at Manchester United.

Arsenal have had no such trouble in the Europa League, scoring 10 goals in their previous three matches to cruise into the last 32.

The London club eased to a 3-0 win at Molde on Thursday to make it four group-stage victories from four, but they are languishing in 12th place in the Premier League ahead of a home encounter with Wolves.

Arsenal boss Arteta wants to see his side entertain and be ruthless in order to climb the table.

The Spaniard said: "After the disappointing last result we had at home [a 3-0 defeat to Aston Villa], we have to make the Emirates a fortress.

"Playing at home without fans is never the same, but it is what we have at the moment. We need a win on Sunday for sure."

He added: "In the Premier League teams are winning games by very small margins. We've competed in all of the games apart from probably the last 20 minutes against Aston Villa.

"The boxes are defining what we do in games. In the opponent's box we haven't been as ruthless as we have to be.

"In the Europa League we have found ourselves with more flow, more creativity in the final third. More 'let's go for it and express ourselves'. Some days it's not the same, but that's something to look at. 

"We try to encourage them to play with that freedom, we have our rotation in the team for many different reason - for injuries or some because of the performances.

"Also with the challenges we've faced against big teams in the Premier League over the first nine games. That's something we have to improve obviously and we are trying to do so."

Jurgen Klopp welcomed the news Pep Guardiola has committed his future to Manchester City, but the Liverpool manager is wary of challenges from elsewhere in the Premier League.

Liverpool and City have been England's two leading teams in recent seasons, with Guardiola's men winning consecutive titles before the Reds - narrowly beaten in 2018-19 - took their crown last term.

That battle is set to continue, even with both sides facing problems, after the City manager signed a new two-year contract at the Etihad Stadium.

Klopp is looking forward to further tussles with the Catalan coach, yet he does not see a two-horse race resuming at the top of the table.

"I'm happy about Pep signing the new contract, but I'm a little bit afraid that it will be Guardiola versus Klopp, or something like that, over the next few years," Klopp said.

"Because it looks like Frank [Lampard] and Chelsea are building a proper team there, Manchester United will not stay without trying and Arsenal will do the same.

"Tottenham look really dangerous this year, Leicester are already really good and 100 per cent Wolves, too, because I see the development and watch a lot of football.

"I see the stats they are making, that's a threat for all of us. [But] I'm happy that Pep stayed with me for longer."

Klopp's future is similarly secure, despite a potential opening with the Germany national team, where pressure is building on Joachim Low after a sensational 6-0 defeat to Spain.

It is a role that interests the Liverpool boss - just not yet.

"Wow! This is one of the questions I have answered most often in my life," Klopp said when asked about coaching his country. "In the future? Maybe. Now? No.

"I have no time for it; I have a job. I'm not sure if anyone has asked for me, or after me, in public, but if they don't know, I have a job here at Liverpool.

"I am responsible for a lot of things here, so I will not go and search for another challenge out there. I have enough challenges after waking up in the morning, so that's enough."

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