Jake Paul will return to the boxing ring to face UFC legend Anderson Silva at Phoenix's Gila River Arena on October 29.

Paul has not fought since his sixth-round knockout of Tyron Woodley in December 2021, his second of two wins against the former UFC welterweight champion.

Before that, Paul had knocked out Ben Askren and after overcoming Woodley for a second time was meant to face Tommy Fury and Hasim Rahman Jr. before both fights fell apart in August.

YouTube star Paul has made somewhat of a name for fighting former professionals from the octagon, with the next challenge coming against former UFC middleweight champion Silva.

While holding the record for most consecutive victories in UFC (16), 47-year-old Silva boasts a 3-1 tally as a professional boxer, beating the likes of Julio Cesar Chavez and former UFC light heavyweight champion Tito Ortiz.

He retired from mixed martial arts in 2020 after five losses from his last six fights, albeit against world-class opponents.

The bout will be contested at 187 pounds over eight three-minute rounds, the weight Paul claims Anderson's team requested.

"The plan is for me to fight at 185 [pounds] going forward and that's what I wanted this fight at given it was the weight Anderson Silva fought at during his reign as the most dominant UFC champion ever," Paul told ESPN.

"Anderson's team asked if we could set the weight at 187, two pounds more than what I wanted. That level of professionalism and precision is appreciated, and of course I agreed to his request."

Paul hailed the capabilities of Anderson with a statement to announce the clash, pointing to his victory over Chavez as proof of his boxing ability.

"Anderson 'The Spider' Silva is the most versatile fighter the world has ever seen," the statement said. "Just a year ago he outclassed boxing champion Julio Cesar Chavez Jr., and showed the world why he is often referred to as the greatest fighter of all time.

"Every expert, from MMA to boxing, has said Jake Paul won't fight Anderson Silva. They said Jake Paul is afraid of Anderson Silva, and Jake Paul would lose to Anderson Silva.

"Well, to all the non-believers – Jake Paul is fighting Anderson Silva. It's an honour to have the opportunity to share the ring with the greatest UFC striker of all time.

"On Saturday, October 29, I will walk humbly into the ring, touch gloves with a living legend and do my best to exterminate 'The Spider'."

Ons Jabeur advanced through to her first US Open semi-final after defeating the in-form Ajla Tomljanovic 6-4 7-6 (7-4) on Tuesday.

Jabeur, the world number five, became the first woman from Africa to make the last four at Flushing Meadows after a powerful display in the quarter-finals accounted for an opponent who has belatedly started to pose problems at grand slams.

Continuing a strong season of her own, in which she played a first major final at Wimbledon, Jabeur broke twice in the opening set as Tomljanovic failed to fully capitalise on her wayward serving, instead getting in her own way with four double-faults to no aces.

It meant the Tunisian threatened to run away with the match when she secured another break in the first game of the second set, but Tomljanovic fought back in what developed into a back-and-forth struggle, with six breaks of serve split evenly through the first nine games.

Although that theme initially continued in the tie-break, with the first four points all going against the serve, Jabeur finally found some big serves when it mattered most to finish the job.

A semi-final against either Coco Gauff or Caroline Garcia now lies before Jabeur, who had not previously gone beyond the third round in New York.

 

Data Slam: Jabeur powers through

Jabeur lacked accuracy with her serve – landing 40 per cent of her first serves across the match – but was dominant when she was able to keep it fair, converting nine of her 11 accurate first serves in the opener to illustrate the significant power gap between the two women.

ACES/DOUBLE FAULTS

Jabeur – 4/2
Tomljanovic – 1/9

WINNERS/UNFORCED ERRORS

Jabeur – 29/30
Tomljanovic – 12/24

BREAK POINTS WON

Jabeur – 5/6
Tomljanovic – 4/6

Paris Saint-Germain saw off a second-half fightback from Juventus to win their opening Champions League game 2-1 thanks to Kylian Mbappe's double.

Juve were no match for their hosts at the Parc des Princes in the first half, with Mbappe volleying home twice inside the first 22 minutes.

A defensive lapse from Christophe Galtier's side allowed Weston McKennie to drag Juve back into the contest eight minutes into the second half, however.

And Dusan Vlahovic and Manuel Locatelli both went close to restoring parity, yet PSG had enough to see out a first competitive win over Juve.

Mbappe had denied there were any issues between himself and Neymar in the pre-match press conference, and the duo proved they were in sync in the fifth minute as the France striker volleyed in from his team-mate's exquisite chipped pass.

Gianluigi Donnarumma made a fine save from Arkadiusz Milik at the other end, but PSG were in full flow up front, and it was 2-0 when Mbappe volleyed in again – this time from Achraf Hakimi's cutback.

Neymar might have turned from provider to scorer had his finish been better in the 49th minute, but Mattia Perin was equal to the forward's tame effort.

Mbappe should have provided Neymar with a tap-in two minutes later, only to shoot selfishly from a tight angle, and PSG were made to pay.

It had seemed a matter of damage limitation for Juve, yet PSG switched off from a corner, enabling McKennie to head in at the back post.

With Donnarumma brilliantly keeping out Vlahovic's header, sensational combination play from Neymar and Lionel Messi resulted in a great chance for Mbappe to restore PSG's two-goal cushion, but he lashed wide.

Mbappe's profligacy could have proved costly again as Locatelli saw a goal-bound toe-poke blocked, but PSG held on to get the job done.

Erling Haaland was decisive once again with two goals as Manchester City comfortable saw off Sevilla 4-0 in Spain to open their Champions League campaign.

Haaland has enjoyed a devastating start to life at City and was on fire again as he became only the fourth player to score in his first appearance for three different teams in the Champions League.

The only surprising aspect of the game was City and Haaland only managed a single goal in the first half as Sevilla looked every inch of a team desperately short on confidence.

As the hosts became more forward-thinking in the second half, City picked them off as Phil Foden capped a fine display with a goal and Haaland took his season's tally to 12 in seven games, before Ruben Dias put the finishing touches on in stoppage time as he forced home a corner.

City opening the scoring seemed a formality amid a dominant start and the goal duly arrived in the 20th minute as Kevin De Bruyne got in behind Marcos Acuna and teed up a simple finish for Haaland.

Despite City's control, clear-cut chances remained infrequent and Sevilla might have levelled just before the interval, but Papu Gomez smashed over after latching on to Thomas Delaney's knockdown.

It was hardly a shock when City doubled their advantage, though. Yassine Bounou was able to make a fine save to deny De Bruyne when one-on-one, but he could do little to keep Foden's sweeping effort out of the bottom-right corner not long after.

Foden then saw a shot parried right to Haaland for his simple second goal, and Dias rounded off an emphatic win late on with a close-range finish from Joao Cancelo's delivery.

Milan came from behind to clinch a hard-fought 1-1 draw at Salzburg in their Champions League opener, as Alexis Saelemaekers cancelled out a superb solo goal from Noah Okafor.

Okafor's outstanding strike gave Salzburg the lead midway through an evenly matched first half, only for Saelemaekers to smash home an equaliser shortly before the break on Tuesday.

Stefano Pioli's men failed to build on the Belgium international's effort but almost grabbed a stoppage-time winner through Rafael Leao, who was denied by the frame of the goal.

Having failed to escape the group stages in the Champions League last season, however, the Serie A champions may still be relieved to escape without defeat ahead of meetings with Dinamo Zagreb and Chelsea.

Both sides created openings in an entertaining start, with Nicolas Capaldo heading over the crossbar before Olivier Giroud drilled a poor effort straight at Philipp Kohn from a tight angle.

But Salzburg hit the front through a tremendous goal after 28 minutes, as Okafor collected Fernando's pass before slipping the ball between Pierre Kalulu's legs and finishing neatly beyond Mike Maignan.

Milan drew level five minutes before the break, however, as Leao teed up Saelemaekers to slam a left-footed effort past Kohn from 10 yards out.

Salzburg missed a golden opportunity to regain their lead eight minutes after half-time, with Fernando somehow lifting his effort over the bar from six yards out when meeting Maurits Kjaergaard's cross.

Nicolas Seiwald then tested Maignan from range before the hosts appeared to run out of steam, allowing Sando Tonali to dictate the play for the Rossoneri.

Leao went agonisingly close to snatching the win in the 93rd minute, but saw his long-range effort deflect against the post and away to safety.

What does it mean? Group E looks wide open

With Chelsea succumbing to a dismal 1-0 defeat in Zagreb earlier on Tuesday, either side could have taken control of Group E with a victory.

But Milan were unable to push for a winner after levelling shortly before half-time, leaving the Rossoneri with just one win in their last 10 Champions League games (D3 L6), beating Atletico Madrid last November.

Meanwhile, no team will enjoy a trip to Austria; Salzburg are now unbeaten in their last five home games in UEFA's flagship club competition (W3 D2). 

Salzburg rely on youth once again

Salzburg have acted as a springboard for several top-class talents in recent seasons, and if Okafor's excellent solo goal is anything to go by, the 22-year-old Swiss forward could be another. 

Excluding own goals, each of their last 15 Champions League goals have been scored by players aged 23 or younger, the longest such run by any side in the competition's history.

Leao lays on a leveller

Having fired Milan to victory in the Derby della Madonnina on Saturday, Leao continued his electric form by teeing up Saelemaekers to get the Rossoneri back on level terms.

Leao has now delivered 11 assists in all competitions since the start of 2022, the most of any Serie A player.

What's next?

Milan travel to Sampdoria for their next Serie A outing on Saturday. Salzburg go to SV Ried in the Austrian Bundesliga on the same day, before facing Chelsea next Wednesday.

Real Madrid survived a hostile reception and the loss of striker Karim Benzema to injury as they dug deep to begin their Champions League defence with a ruthless 3-0 win at Celtic.

Los Blancos' quest for a record-extending 15th European Cup got off to a bad start when losing star man Benzema to a knee injury with 30 minutes played of Tuesday's opener.

Celtic had already struck the post through Callum McGregor at that point and continued to trouble their opponents on their return to the group stage after four seasons away.

But as they so often did last season, Madrid found a way thanks to quickfire goals from Vinicius Junior and Luka Modric, which Eden Hazard added to with a brilliant third.

Liel Abada and Reo Hatate had both asked questions of Thibaut Courtois in a lively opening half an hour for the hosts at a raucous Celtic Park. 

Ange Postecoglou's side went even closer to scoring when McGregor was picked out by Giorgos Giakoumakis and unleashed a left-footed strike against the frame of the goal.

Madrid lost Benzema to injury soon after but would have been ahead before half-time had Joe Hart not denied Vinicius from a one-on-one.

The visitors, having survived another let-off when substitute Daizen Maeda scuffed a shot at Courtois from close range, opened the scoring 11 minutes into the second half.

Federico Valverde found Vinicius with a lovely ball into the centre of the box at the end of a swift attack, and the forward coolly picked his spot past Hart with a first-time finish.

Madrid had a second four minutes later as Modric, making his 100th appearance for the club in the competition, prodded past Hart with an outside-of-the-boot finish.

It was plain sailing from that point on, and Hazard – the man brought on for Benzema – added a third from close range after some smart play from Toni Kroos and Dani Carvajal at the end of a fine team move.

Joao Felix has started to discover his "best moments" since joining Atletico Madrid ahead of their Champions League clash with Porto, according to Diego Simeone.

The Portugal international became the fifth most expensive signing in history when he joined Atleti from Benfica for €126million in July 2019.

Only Neymar, Kylian Mbappe, Philippe Coutinho and Ousmane Dembele have moved for larger fees in world football than Joao Felix, who signed a seven-year deal but has struggled to deliver thus far.

The 22-year-old offered encouraging signs at the start of the 2022-23 season, though, assisting all three goals in the 3-0 opening-day LaLiga win over Getafe.

While Joao Felix is yet to find the net this season, Simeone believes the forward is finding his feet in the Spanish capital as Atleti prepare to host Porto in the Champions League on Wednesday.

"Joao is at the best moments in the years since we have been together, more mature, stronger, more sure of himself, involved in what the team needs," Simeone said.

"He has all the talent, the ability… he just has to tap into it."

Joao Felix will likely line up alongside Alvaro Morata against Porto, but Atleti could be without Jan Oblak, who was forced off with injury in the closing stages against Real Sociedad on Saturday.

"It will be assessed tomorrow morning. From there we will see what can happen," Simeone said of Oblak's fitness. "Ivo Grbic is ready, we believe in him, he is ready to play."

Atletico were narrow 1-0 aggregate losers to Manchester City in the quarter-finals of last year's competition, and Simeone is relishing the challenge of going further this campaign.

"The Champions League is not just another game, it is different," he added. "We will have to do things well from the first game, with our people, in our stadium, to grow in the competition. 

"It's clear that the Champions League is always very difficult, but it's an opportunity. Last season we had a good Champions League, we were close to being among the best, but we competed very well. 

"It's just beginning, we have to demonstrate what we imagine and what we're excited about, hopefully with the team's work we'll have a good Champions League."

Jurgen Klopp kept his message to his Liverpool players simple ahead of their Champions League opener at Napoli, urging the Reds to "play better" after previous struggles in Naples.

Wednesday will mark the third time Napoli and Liverpool have met in the Champions League group stage in the past five seasons, with the Italian side winning home games against the Reds in both 2018-19 (1-0) and 2019-20 (2-0).

Klopp also lost 2-1 at Napoli while Borussia Dortmund coach, and he knows his players must improve on these previous showings.

"I'm a late bloomer," he said. "I always need a little bit longer to achieve my stuff, and that means sometimes I have to try two times, sometimes three times, sometimes four times – and Napoli [could be] four times, obviously.

"What do we have to do? Play better than in the previous three games – that would be very helpful, because we didn't play particularly well when we came here. One reason is because Napoli are pretty strong."

Despite Liverpool's poor record at Napoli, the Reds have won each of their last three away games against Italian sides in European competition, although the Partenopei have five victories in six Champions League home games against Premier League opposition.

Luciano Spalletti will be in the opposite dugout to Klopp this time around, and the German heaped praise on the Napoli coach and his squad.

"He is a real great of the game, worked all over the world, very successful, you can always see his stamp on the team," Klopp added.

"It's always clear who is the coach, I respect that a lot. Looking forward to seeing him tomorrow.

"[The Napoli players] are not all young, but they're all good... I'm not 100 per cent sure, but I think not too long ago there was a bit of a nervous situation in Napoli around when players left for different reasons; obviously it has all settled again.

"I'm really happy for the people here. But one player who always stayed is [Piotr] Zielinski, and around him you could build again another team – it's a really, really interesting project, I have to say.

"Good football, intense style, different approaches, so really good. Spalletti is a good coach, so nobody should be surprised, and he's obviously pretty relaxed about maybe some nervous things around. So, it's probably a really good fit – that's how it looks."

Arthur Melo, on loan at Liverpool from Juventus, will be familiar with Napoli after his exploits in Serie A and could make his debut against Spalletti's side, but Klopp warns the midfielder will need time to settle.

"Arthur needs now just football – and training, especially – that's how it is. He wasn't in team training for a while at Juve, so he needs proper team training – and that's what we are doing with him," Klopp explained.

"Can he play minutes? Yes. Should he play full game? No, because he needs to get used to the intensity in each competition. It's not like in the Champions League you have to work less than in the Premier League.

"Not at all, especially not here. He is doing well, he is really giving his absolute all in training. We have to be careful with him as well, and then we will see whether we can use him."

Former world number one Jon Rahm has hit out at the prospect of LIV Golf players featuring at the BMW PGA Championship at Wentworth later this week.

The field for the DP World Tour event, which begins on Thursday, includes 17 players who have made an appearance on the controversial Saudi-backed circuit. 

The likes of Lee Westwood, Ian Poulter and Sergio Garcia are all among that group, as the bitter divide between the LIV series and the PGA and European Tours shows no sign of healing.

Quizzed on their presence at the event, former U.S. Open champion Rahm expressed his frustration at big-name LIV golfers taking the places of those who have stayed loyal to the European Tour, claiming they are only appearing to pick up world ranking points.

"What I don't understand is some players that have never shown any interest in the European Tour, that have never shown any interest in playing this event, are being given an opportunity, just because they can get world ranking points, and hopefully make majors next year," the Spaniard said.

Citing the case of close friend Alfredo Garcia-Heredia, who has missed out on the field, Rahm added: "It doesn't hurt me, but it does bug me that somebody who has played over – I looked it up – 20 DP World events this year cannot be given the opportunity to play a flagship event.

"Because some people that earned it, to an extent, are being given an opportunity when they couldn't care any less about the event.

"They don't know. They don't care. They don't know the history of this event.

"They are only here because they are trying to get world ranking points and trying to finish in the top 50, and that's clear as day."

But Rahm believes there could yet be a way back for those who have signed for the breakaway tour, adding: "There's only one problem in life that doesn't have a solution, and that's death. 

"Everything else has a solution. If the European Tour really want them to play and as a team we [Ryder Cup Europe] want them to play, I think a solution can be reached."

Defending BMW PGA Championship champion Billy Horschel was similarly scathing of the LIV rebels, declaring: "Even though Westwood and Poulter have been stalwarts for the European Tour, I don't think those guys really should be here."

Taking aim at those who have missed the event in the past, he added: "You've never played this tournament, you've never supported the DP World Tour.

"Why are you here? You are here for one reason only, and that's to try to get world ranking points because you don't have it [on the LIV Tour].

"It's hypocritical because some of these guys said they wanted to play less golf. It's pretty hypocritical to come over here and play outside LIV when your big thing was to spend more time with family and want to play less golf."

Karim Benzema limped off the field with half an hour played of Real Madrid's opening Champions League group game against Celtic after sustaining a knee injury.

The 34-year-old, who was considered a doubt ahead of the Group F match at Celtic Park, appeared to pull up after playing a pass and was seen in visible pain.

Benzema attempted to shake off the injury but remained on the field for just a few more minutes before being replaced by Eden Hazard, with the game still goalless at that point.

France international Benzema led the Champions League scoring charts with 15 goals last season and had four goals in five games in all competitions this term prior to Tuesday.

Madrid have a busy run of fixtures ahead, with a LaLiga games against Real Mallorca and Atletico Madrid sandwiching next week's European clash with RB Leipzig.

Casper Ruud booked his place in the semi-finals of the US Open with a 6-1 6-4 7-6 (7-4) defeat of Matteo Berrettini on Tuesday.

Ruud was at the top of his game in the opening two sets, taking the first inside half an hour, but Berrettini made a contest of the third.

Indeed, the Italian at one stage had two set points, having taken a 5-2 advantage.

Yet Ruud, who did not require a single ace in this match, clawed both back to hold his serve and immediately broke to swing the momentum in his favour once more.

Berrettini had failed to execute two routine drop-shots as he conceded serve and never regained his composure, with Ruud forcing the tie-break.

It was then that the world number seven got back on top form, racing into a 3-0 lead and, despite a wobble that saw two match points fall by the wayside, holding his nerve to seal the win at the third attempt.

Into his first US Open semi-final – and his second at a grand slam following a run to the final at Roland Garros this year – Ruud, who along with Carlos Alcaraz has a chance of becoming the new world number one, will face either Nick Kyrgios or Karen Khachanov in the last four.

Data Slam: Berrettini's top-10 hoodoo

Berrettini was aiming to reach his fourth grand slam semi-final and a second at Flushing Meadows, yet his record against top-10 opponents is a poor one, and it did not change for the better in New York.

He is now 7-19 for his career against opponents ranked inside the top 10 by the ATP, while he has lost his last 11 such matches since defeating Dominic Thiem – then ranked number three – at the 2021 ATP Cup. Berrettini has never defeated a top-10 opponent in a grand slam (0-8).

ACES/DOUBLE FAULTS

Ruud – 0/2
Berrettini – 13/3

WINNERS/UNFORCED ERRORS

Ruud – 20/23
Berrettini – 35/39

BREAK POINTS WON

Ruud – 5/14
Berrettini – 2/9

Thomas Tuchel lamented "the same story as always" as his disjointed Chelsea side fell to a surprise 1-0 loss to Dinamo Zagreb in the Champions League.

The Blues have been off the pace in the Premier League and their underwhelming start to the season continued on Wednesday as Mislav Orsic's first-half goal proved the difference.

Orsic poked past Kepa Arrizabalaga after escaping the attentions of new arrival Wesley Fofana, with Chelsea unable to break down a resolute Dinamo defence in the second half.

That resulted in a third straight away defeat for the first time under Tuchel, with the Blues last suffering such a run under Frank Lampard in December 2020.

Tuesday's visit to Croatia was Tuchel's 100th game in charge of Chelsea; in his first 50 matches they only conceded 24 times, while in his last 50 they have shipped 53 goals.

Tuchel provided an honest appraisal, acknowledging his team's failings as he suggested they are far from their usual capabilities.

"It's an underperformance from us. We have the same story as always," he told BT Spot.

"We have an OK start, we don't finish our half chances, we don't feel it when the game is already there to put to bed in the first 15, 20 minutes.

"Then we concede one counter-attack, which is far too easy, and from there we struggled."

Asked to pinpoint his main frustration, Tuchel added: "Too much to analyse. I'm a part of it. We are clearly not there, where we need to be and where we can be.

"So it's on me, it's on us, we need to find solutions. At the moment, everything is missing."

Pierre-Emerick Aubameyang made his debut after his arrival from Barcelona but failed to leave his mark, not managing a shot on his first Blues outing and enjoying just three touches in the Dinamo area, although he did have a goal disallowed for offside.

"I will not talk about individuals today. We play as a team, we lose as a team," Tuchel said before somewhat agreeing his players failed to step up, adding: "If it seems like this… it’s hard to argue against it."

Chelsea will look to recover when they visit Fulham in the Premier League on Saturday, before their next European outing at home to Salzburg four days later.

Sadio Mane will provide vital Champions League experience with his "special gift for leading the team" despite his quiet demeanour, according to Julian Nagelsmann.

Mane will play his first game in UEFA's flagship club competition for the Bundesliga champions on Wednesday at Inter, where Bayern have a perfect record in Europe (three wins in three games).

The Senegal international will attempt to fill the void left by Robert Lewandowski, who left for Barcelona, and brings crucial experience, having lifted the Champions League with Liverpool in 2019.

Mane has started life in Germany in fine form, scoring three times in five games, and needs one more goal to become just the fourth African player to score 25 or more goals in the Champions League.

While Bayern have shared the goalscoring burden after the forward's arrival from Liverpool, Nagelsmann says Mane will bring more to his side than just goals.

"I expect that he will pass on his experience to other players and live up to his claim to leadership," Nagelsmann told reporters. 

"He has a special gift for leading a team – not even as a loud speaker."

Bayern are among the pre-tournament favourites despite crashing out at the quarter-final stage last term, losing 2-1 on aggregate to Villarreal after Samuel Chukwueze's late goal at the Allianz Arena.

While the Bundesliga side have not lifted European football's main prize since 2013, Nagelsmann welcomes the favourites tag as he looks to atone for last season's disappointment.

"Bayern Munich should always be one of the favourites, given their history," he added. "The Champions League is always special, even hearing the anthem. I've never been to the San Siro as a coach.

"There have been many historic games here. I don't know yet whether it will be the same tomorrow. The opening game isn't decisive but we're trying to get off to a good start."

Inter have been somewhat off the pace in Serie A, winning three games and losing twice to sit eighth in the embryonic table following a 3-2 derby disappointment against fierce rivals Milan last time out.

Bayern are also unbeaten in 10 games against Italian opposition in the Champions League and have won all 18 of their group-stage openers since the 2003-04 term.

But Manuel Neuer warned Bayern cannot afford to be complacent, nor underestimate Simone Inzaghi's side amid an underwhelming start to the 2022-23 season.

"It's the start of the Champions league, you can't say that," Neuer responded when asked if Inter were a weakened side from last campaign. 

"It's a completely different atmosphere and a chance for Inter to restart. We won't underestimate the opponent.

"We're among the favourites. In the past few years we haven't managed to make it to the end. Bitter defeats like the last one against Villarreal hurt. We have the ambition and the incentive to get very far."

Chelsea made a dismal start to their Champions League campaign as Mislav Orsic guided Dinamo Zagreb to a shock 1-0 win over the disjointed Blues on Tuesday. 

Orsic handed the hosts a surprise lead with a neat finish after racing onto Bruno Petkovic's flick-on just 13 minutes in, as Chelsea produced yet another toothless attacking display.

Chelsea debutant Pierre-Emerick Aubameyang struggled before being withdrawn on the hour, with Dinamo keeping Thomas Tuchel's men at arm's length with a superb defensive performance.

Having made a below-par start in the Premier League, Chelsea must now play catch-up in what could prove an awkward Champions League group, with games against Milan and Salzburg to come.

Chelsea should have gone ahead when Aubameyang failed to reach Kai Havertz's early cut-back, and paid the price when Dinamo hit the front shortly thereafter, as Orsic beat Wesley Fofana for pace before stabbing into the bottom-right corner.

Kepa Arrizabalaga saved well from Arijan Ademi's volley as Dinamo grew in confidence, and Chelsea recorded just one effort on target before half-time as the hosts defended in numbers. 

Aubameyang was denied by the offside flag when he tapped Ben Chilwell's cut-back home five minutes after the break, before Chelsea were indebted to Kepa for tipping Stefan Ristovski's sweet strike onto the post.

Substitute Hakim Ziyech was unable to turn home an enticing right-wing cross as the visitors became more desperate, and Kalidou Koulibaly was perhaps fortunate to avoid a second booking for a foul on Petkovic. 

Tuchel introduced Armando Broja and Christian Pulisic in search of a leveller, with Dominik Livakovic finally called into action with five minutes left, his reflex save denying Ziyech seconds after Reece James struck the right-hand post, as the Blues failed to find a way past the stubborn hosts on a chastening trip to Croatia.

What does it mean? Chelsea's blues continue 

After a meek showing in Zagreb, Chelsea have suffered defeat in their opening Champions League match for just the third time in their 19 participations (W11 D5), also losing to Basel (2013-14) and Valencia (2019-20).

While Chelsea's ponderous attack has been criticised in the season's early weeks, they have also failed to keep a clean sheet in six outings across all competitions, their joint-longest such run since Tuchel took charge (also six in November-December 2021).

Orsic troubles English visitors

Orsic did brilliantly to bring down Petkovic's flick-on before his clever finish gave Dinamo a the lead, and he is beginning to carve out a reputation for tormenting Premier League sides.

He has scored five goals in his last four games against English teams in European competition (three v Tottenham, one v West Ham and Chelsea). Orsic is Dinamo's all-time top scorer in continental action with 18 goals (excluding qualifiers).

No fast start for Aubameyang

Tuchel backed Aubameyang to "prove a point" ahead of the trip to Zagreb, but the new arrival failed to record a shot on his first Blues outing, enjoying just three touches in the Dinamo area.

It was a far cry from Aubameyang's last Champions League appearance, when he scored a brace for Borussia Dortmund against Real Madrid in December 2017. While the former Barcelona man could yet solve Chelsea's attacking issues, he may need time to hit his stride.

What's next?

Chelsea go to Fulham for a London derby in the Premier League on Saturday. Dinamo, meanwhile, face HNK Gorica in the Prva HNL on the same day, before travelling to Milan in the Champions League next Wednesday. 

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