Bayern Munich shocked the Bundesliga by making a dramatic change in the dugout, replacing Julian Nagelsmann with Thomas Tuchel.

The decision came with Borussia Dortmund posing a serious threat to Bayern's hopes of an 11th consecutive league title.

Tuchel arrives with Bayern sitting one point off the Bundesliga summit and through to the Champions League quarter-finals, with the former BVB and Chelsea boss facing several pressing tasks.

Fending off his former club's challenge for domestic glory and plotting a route past Pep Guardiola's Manchester City will be among the immediate concerns, but there are others requiring Tuchel's attention.

From the futures of club stalwarts Manuel Neuer and Thomas Muller, to the need to suitably replace Robert Lewandowski, there will be plenty to keep Tuchel occupied until the end of the season and beyond.

Here, Stats Perform looks at five of the most pressing tasks facing Tuchel on his return to Germany.

Fix Bayern's sloppy backline

While Bayern boast the Bundesliga's best defensive record with 27 goals conceded this term, Tuchel – who was successful in making Chelsea tough to beat in his last managerial assignment – will be keen to examine a series of shortcomings at the back.

Having beaten Augsburg 5-3 in Nagelsmann's penultimate game at the helm, Bayern suffered a damaging 2-1 defeat at Bayer Leverkusen last time out, with Benjamin Pavard and Dayot Upamecano clumsily conceding a pair of second-half penalties.

With Nagelsmann known for employing a high defensive line and adopting an aggressive approach, Bayern have often appeared too open this campaign.

Of the Bundesliga-high 13 errors leading to shots made by Bayern players this season, three have resulted in goals, while last year's big-money recruit Matthijs de Ligt is yet to establish himself as a dominant defensive presence.

Tuchel's Chelsea kept five clean sheets in seven Champions League knockout games en route to being crowned European champions in 2021 – he will be confident of having a similar impact in his new job, given the defensive talent at his disposal.

Make crucial Neuer decision

The most controversial incident in Bayern's season before the change of coach came in January, when captain Neuer hit out at the club's decision to fire close friend and goalkeeping coach Toni Tapalovic.

Those comments were met with a furious reaction from the club's hierarchy, throwing Neuer's future in Munich into doubt.

A series of injuries – the latest a broken leg sustained during a skiing holiday – have limited Neuer to 16 appearances across all competitions this term, and with Yann Sommer's arrival giving Bayern two top-class goalkeepers to choose from, Tuchel has a decision to make.

While Neuer boasts a better save percentage (75.44 per cent) than Sommer (64.1) for Bayern this term, the 2014 World Cup winner will be 37 by the time he returns to fitness, and there may not be room for both shot-stoppers in Bayern's long-term plans.

Find Lewandowski's successor

No discussion of Bayern's inconsistent season would be complete without a mention of their failure to find an adequate replacement for goal machine Lewandowski.

Lewandowski left for Barcelona last year, having led the Bundesliga's scoring charts in six of his eight seasons with Bayern (2015–16, 2017–18, 2018–19, 2019–20, 2020–21 and 2021–22).

The Poland international hit 35 goals in as many league appearances in his final season with the Bavarian giants. This term, Jamal Musiala is their top Bundesliga marksman with 11 goals, one ahead of Eric Maxim Choupo-Moting.

While having five separate players on double figures across all competitions this term is no bad thing (Choupo-Moting, Musiala, Leroy Sane, Serge Gnabry and Sadio Mane), an established successor to Lewandowski is surely required.

Solve the Mane conundrum

On a related note, getting the best of last year's marquee arrival Mane will also be high on Tuchel's to-do list, with the Senegal attacker yet to hit the heights he reached at Liverpool.

Injuries and mixed form have meant Mane has started just 14 of Bayern's 25 league games, failing to net in any competition since a 6-2 win over Mainz in October.

Tuchel's previous success with a fluid forward line could bode well for Mane. In his only full Premier League campaign with Chelsea, the Blues were only outscored by Manchester City and Liverpool, with a plethora of players chipping in as the returning Romelu Lukaku fell out of favour.

Examine Muller's role

While the acquisition of a centre-forward will surely be at the forefront of Bayern's plans at the end of the season, the Bavarians' chances of short-term success could hinge on finding a regular role for Muller.

Muller, who became Bayern's all-time leading outfield appearance maker in the Bundesliga last month, has started just 14 league games this campaign, but his tally of 11 goal contributions (four goals, seven assists) in just 1,062 minutes demonstrates his lasting quality.

With Nagelsmann alternating between 4-2-3-1 and 3-5-2 shapes in recent weeks, Muller has featured in a number 10 role – where he previously thrived under Hansi Flick – and in a front two.

With high-stakes clashes against Dortmund and City on the horizon, Tuchel's first month at the helm could prove decisive, and finding a place for the experienced Muller could help the new boss make a flying start.

Sadio Mane hopes Joao Cancelo will sign permanently for Bayern Munich after the previously out-of-favour full-back shone against Augsburg.

Cancelo, long seen as a key man at Manchester City, lost his place in Pep Guardiola's team and joined Bayern on loan in January.

The Portugal international started four consecutive games at Bayern, providing assists in each of his first two appearances, although he was substituted in all four.

After Cancelo was withdrawn at half-time of the Champions League first leg against Paris Saint-Germain, he lost his place in the side and only returned to the XI on Saturday.

There had been reports of Cancelo's discontent prior to the Augsburg match, but he completed the 90 minutes, scored one goal and created another.

No player made more tackles, and the mood music around Cancelo appeared to change afterwards, returning focus to the possibility of a transfer at the end of the season.

"What a player," forward Mane told Sport1. "We saw again that Joao is one of the best in the world.

"So good, really, we are very happy that he plays with us.

"I would love to see him with us next season. That's the kind of player we need, for sure."

That is a decision that will rest with the Bayern hierarchy, but Cancelo's performance also looked to have won over sporting director Hasan Salihamidzic.

"He is a sensational player," Salihamidzic told reporters. "He's trained really well in the last week and found that desire and greed again.

"Hardly any other player in Europe is that good in small spaces."

Julian Nagelsmann knows Bayern Munich could slip up if they are not at full throttle when they face Stuttgart due to having one eye on a showdown with Paris Saint-Germain next week.

Borussia Dortmund can replace Bayern at the top of the Bundesliga table if they avoid defeat against RB Leipzig on Friday.

Bayern will be looking for a 13th consecutive away victory over Stuttgart and go into Saturday's game on the back of a 3-0 win over third-placed Union Berlin.

The Bavarian giants will then take on PSG in the second leg of their Champions League round of 16 tie next Wednesday and hold a 1-0 lead courtesy of Kingsley Coman's goal at the Parc des Princes.

Bayern head coach Nagelsmann says there is no chance the reigning champions will take Stuttgart lightly as they battle to retain the title.

He said: "Of course it's an important game [against PSG]. We're in a good position and want to go through. Now Stuttgart is important because we don't have a 10-point lead. The next game is always the most important."

Nagelsmann added: "It doesn't make much sense to slow down tomorrow because we have an important game on Wednesday. Unfortunately, our situation in the Bundesliga doesn't allow us to give anything away. We'll give it our all tomorrow."

Sadio Mane returned from a knee injury as a substitute in the win over Union Berlin and Nagelsmann plans to give the former Liverpool forward another run-out this weekend.

He said: "He's making a good impression. We will try and give him more minutes. It was a serious injury, but his fitness levels are good. Sadio is part of the usual battle for places."

Bayern will check on Leroy Sane's fitness as the winger has been struggling with an ankle injury.

Stuttgart boss Bruno Labbadia has lost all 16 competitive matches against Bayern in his coaching career, but his side have won four of their last six home games in the Bundesliga.

Thomas Muller will start Bayern Munich's clash with title rivals Union Berlin on Sunday after he was hauled off early on in the defeat to Borussia Monchengladbach.

Head coach Julian Nagelsmann replaced captain Muller with Joao Cancelo after just 16 minutes against Monchengladbach, making a tactical substitution with Bayern a goal behind and down to 10 men after Dayot Upamecano's early red card.

The champions went on to lose 3-2, another blow to their hopes of winning an 11th consecutive Bundesliga title as their challengers made ground.

Nagelsmann's decision to replace veteran Muller so early came under scrutiny after the match, having also chosen to start him on the bench for Bayern's 1-0 Champions League first-leg victory over Paris Saint-Germain.

With the Bavarian side facing shock title challengers Union this weekend, Nagelsmann confirmed the 33-year-old will be in the starting XI.

"Thomas is a very experienced player, he was told why the decision was made," Nagelsmann said at his pre-match press conference. "You can always discuss it afterwards. I spoke to Thomas at length and clearly he is not happy.

"He is very professional and an important player. His importance is huge because it goes beyond the game itself. He will start on Sunday. He is aware of the overall situation."

The slip-up against Monchengladbach allowed Borussia Dortmund and Union to both pull level on points with Bayern at the top, though the champions' goal difference means they clung onto their position at the summit.

Nagelsmann's men have picked up just nine of a possible 18 points since the turn of the year, while Sunday's opponents have taken 16 over the same period.

A tricky encounter is expected against Union, who have never won a Bundesliga match against Bayern in seven attempts.

"I'm expecting a top game," Nagelsmann said. "Union always bring their football onto the pitch, designed for counter-attacks, with their physicality. It's always uncomfortable to play them.

"It will definitely be an exciting and interesting game, hopefully with a better outcome for us."

Nagelsmann revealed Bayern could be boosted by the return at some point in the game of Sadio Mane, who has been absent since early November after suffering a leg injury that ruled him out of Senegal's World Cup campaign.

"Sadio Mane isn't fit enough to start," Nagelsmann added. "But he is an option that we're really happy about."

Sadio Mane will return to Bayern Munich training on Sunday having missed three months with a fibula injury, but fellow forward Kingsley Coman will miss Saturday's trip to Borussia Monchengladbach.

Mane missed Senegal's run to the last 16 of the World Cup in Qatar after being required to undergo surgery in November.

Last month, coach Julian Nagelsmann suggested the former Liverpool man could be fit to feature in Bayern's Champions League last-16 tie against Paris Saint-Germain, but he was not involved as the Bundesliga champions claimed a 1-0 first-leg lead in the French capital on Tuesday.

Mane is making progress in his recovery, though, and Nagelsmann believes heck could be involved in a matchday squad after as little as one week of full training.

"He will return to team training on Sunday," Nagelsmann said of Mane on Friday. "He doesn't have any problems anymore, and his rehab was built to give him a regular workload.

"He has to get back his technical and tactical feelings with the team, but he's experienced, and he will be back rather quickly.

"Theoretically, he could play again after being back in team training for a week."

Having Mane involved again will be a huge boost for the Bundesliga leaders, who take on second-placed Union Berlin after facing Monchengladbach.

However, Bayern will be without Coman at Borussia-Park on Saturday, with the Frenchman complaining of a calf issue after scoring the only goal of the game against former club PSG.

"Kingsley Coman will not be available, he will get back to practice at the start of next week," Nagelsmann said. "Serge Gnabry will play tomorrow. He played a lot before Christmas and scored a lot. 

"You need a good first XI that suits the opponent, but you also need good players that you can add to the mix. It always has to be a good balance."

Bayern's meeting with Gladbach will see goalkeeper Yann Sommer reunited with his former club, having made the move to Bavaria to cover for the injured Manuel Neuer in January.

"I'm very happy with his overall game. Against Paris, he was really called upon dramatically," Nagelsmann said of Sommer, who has kept three clean sheets in his last four games for Bayern.

"The goals he conceded in the Bundesliga were not easy. With the ball, with his presence, he's a really important part of the team. 

"It will be a special game for him, against his former club. They will say farewell to him ahead of this game, and it will be a special moment, but he's not 18 years of age, so he will be able to put that aside and deliver a strong performance."

Julian Nagelsmann is not buying Paris Saint-Germain's claims that Kylian Mbappe will miss the first leg of the Champions League last-16 tie against his Bayern Munich team.

Mbappe sustained a hamstring injury in Wednesday's Ligue 1 clash with Montpellier.

PSG subsequently announced the 24-year-old is set to be sidelined for around three weeks.

If that estimated recovery time is accurate, Mbappe would be unavailable for the first leg of PSG's clash with Bundesliga champions Bayern on February 14.

However, Bayern coach Nagelsmann is not fully convinced that will be the case.

"I don't think he will be out, I don't expect anything else. I don't know what [injury] he's got, I assume [he will be] playing," Nagelsmann said at a press conference ahead of Bayern's trip to Wolfsburg on Saturday.

"I don't know what he has. It's relatively vague on the PSG website.  If it's not a structural injury, I can't imagine him missing the game, but I don't know. Of course, they can play poker.

"I am preparing for the game as if he is going to play."

While Nagelsmann does not fully believe PSG's news about Mbappe, he could be seen as playing mind games of his own, as he revealed Sadio Mane will not be fit to feature against the French champions.

Mane missed the World Cup due to an injury sustained while in action for Bayern just ahead of last year's tournament but returned to training last month.

"I am expecting him back in the middle or at the end of February," Nagelsmann said of the former Liverpool attacker.

"Things are looking good and he's pain-free. He will definitely miss the first leg against PSG."

Bayern claimed their first win of 2023 in emphatic fashion last time out, beating Mainz 4-0 in the DFB Pokal.

They have drawn their three Bundesliga matches since the season's resumption, though face a Wolfsburg team that have lost their last two games.

Making his debut following a loan move from Manchester City, Joao Cancelo impressed against Mainz, and Nagelsmann had praise for his latest recruit.

"He's a very likeable player and will help better us," he said.

"He's a fighter who likes to play as much as possible and who wants to impact the game. He adds new options to our team. He was very strong in the first half against Mainz."

Julian Nagelsmann expects to be without Sadio Mane for the first leg of Bayern Munich's Champions League tie against Paris Saint-Germain but says there is a chance he could feature in the second.

Mane was ruled out of the World Cup in Qatar after suffering a fibula injury in November.

The Senegal forward, who joined Bundesliga champions Bayern from Liverpool last June, underwent surgery and is on the road to recovery.

Bayern head coach Nagelsmann does not envisage Mane playing a part in the clash against PSG at the Parc des Princes on February 14.

However, if Mane does not suffer any setbacks, Nagelsmann hopes he may be able to call upon the 30-year-old for the showdown with the Ligue 1 champions at the Allianz Arena on March 8.

Nagelsmann said during a press conference in Doha on Thursday: "He's [Mane] an important player. If everything goes well, then it could be the case that he returns in time for PSG.

"We will see how he reacts to the workload. Personally, I'm not yet considering him for the first leg."

Bayern will face Salzburg on Friday in a friendly before resuming the Bundesliga season with a trip to RB Leipzig next Friday.

Matthijs de Ligt will not face the Austrian side due to an ankle injury, but new signing Daley Blind will be included after joining the Bavarian giants following his release by Ajax.

Nagelsmann said of the Netherlands full-back: "He will play tomorrow. He still needs some time, because the intensity in training is a bit higher.

"You can tell that he has a lot of experience and he looks confident on the ball. He will be the player that we imagined he'd be."

Aliou Cisse paid tribute to the absent Sadio Mane after Senegal booked their World Cup last-16 spot with a 2-1 win over Ecuador on Tuesday.

The Lions of Teranga leapfrogged their opponents into second in Group A as goals from Ismaila Sarr and Kalidou Koulibaly sealed their progression to the knockout stage for the first time since 2002.

The result also saw Senegal become the first African nation to beat a South American side at the World Cup since Cameroon overcame Colombia in 1990, ending a 21-game winless run.

Senegal's talisman Mane was ruled out of Qatar 2022 after suffering a leg injury for Bayern Munich in the build-up to the tournament, but Cisse's thoughts quickly turned to the forward in the aftermath of his side's huge win. 

"I would like to dedicate this victory to a man who is doing extraordinary things for the country, who is unfortunately not here today. This man is called Sadio Mane," he said.

Senegal face the winner of Group B on Sunday, and Cisse says his side will be well-prepared for any opponent.

"We don't know who we're going to come up against in the round of 16 – it could be England, it could be Wales, Iran, USA, anyone," Cisse added.

"Then that will be a new stage for us. We know that we are moving to the knockout stage, which is completely different from what we are used to playing in these types of [group] matches.

"Everyone is a good team, the best teams in the world that are competing. Therefore, we need to be prepared to come up against any side.

"It is now a win or lose situation, there are no second chances – if you win, you go through, if you lose, you go home.

"So for the moment, we are just going to concentrate on resting and getting fit for the next game, it is simple as that."

Ecuador head coach Gustavo Alfaro lamented the fine margins that saw his side miss out on the last 16 and confirmed he needs some time to decide whether he will remain in the job.

"The margin of error was meagre and small details made the difference," he said after seeing Moises Caicedo's second-half equaliser followed by Koulibaly's winner just moments later.

"We made key mistakes in the game. The pain of this defeat does not need to overshadow the achievements of this side, and we hope the experience serves them well in the future."

Asked about his own position, the Argentine added: "I need time to know what I am going to do with my professional career."

Sadio Mane remains a key influence on Senegal's World Cup campaign despite his absence, with Kalidou Koulibaly revealing the forward is in constant contact with the national team.

The Bayern Munich attacker was ruled out of Qatar 2022 after undergoing surgery for a leg injury sustained on November 8 in a Bundesliga game with Werder Bremen.

It has been a cruel blow for player and country, with Mane's penalty having been the victorious touch to take Senegal to Qatar 2022 in their qualifying play-off earlier this year against Egypt.

But despite his absence, Koulibaly says the forward is still a regular, virtual presence around the squad, helping to raise their game and keep them focused.

"He's always texting with us, always calling," he stated. "[He is] keeping the mentality high for the team. He's an important player for us.

"We know the importance that he has for the team and we hope he will continue [to stay in touch]. When he speaks, all of Senegal listens."

Senegal came up short in their first match of the World Cup on Monday against the Netherlands, conceding a pair of late goals to suffer a 2-0 defeat

Ahead of Friday's encounter with hosts Qatar in Group A, the Lions of Teranga are looking to get their campaign back on track, with Koulibaly stating they are stung by loss.

"It is very difficult after a defeat to get your head around things," he added. "It is a difficult pill to swallow. We've started off with a loss."

Both concessions marked a tough game for goalkeeper Edouard Mendy, with Senegal's first-choice goalkeeper having endured a hit-and-miss campaign with Chelsea.

Blues team-mate Koulibaly remains unconcerned over any fears of a dip in form however, adding: "We're brothers in arms. He's an important player for us.

"It's normal to go through difficult periods, but I think we're making a mountain out of a molehill. Edouard knows what he needs to do tomorrow, as do we. I don't think we should be making a big deal about this.

"Everyone needs to be confident in our role; everyone needs to get stuck in. It is together that we are going to be able to overcome this hurdle. I am not worried."

Cameroon forward Eric Maxim Choupo-Moting is sad for Senegal, Africa and Sadio Mane after his Bayern Munich team-mate was ruled out of the World Cup.

African player of the year Mane was initially expected to feature in Qatar and was named in Senegal's 26-man squad, despite sustaining a leg injury in Bayern's 6-1 win over Werder Bremen on November 8.

But the former Liverpool forward saw his World Cup dreams shattered last Thursday as Senegal confirmed surgery would be required for the 30-year-old's fibula issue, thus ruling him out of the tournament.

Choupo-Moting and Cameroon face Switzerland in Thursday's Group G opener but much of the striker's focus appeared to be with team-mate Mane.

"I'm very sad for him, and for both Senegal and for Africa. He's a great player and a great person as well," Choupo-Moting said on Tuesday.

"I'm very happy that he joined us at Bayern. I'm very, very upset and sad for him that this injury came just before the World Cup.

"Injuries are always part of the game, unfortunately, I don't know why it came at the wrong moment but we are all with him. 

"He's a positive guy who will keep his positive energy. I hope he will come back stronger."

Cameroon have lost their last seven games at the World Cup (between 2002 and 2014), with only Mexico losing more consecutive outings at FIFA's top tournament, nine from 1930 to 1958.

But Rigobert Song's side impressed with 14 goals at the Africa Cup of Nations, five more than any other team, and the most at the competition since Egypt in 2010 (15).

Choupo-Moting has also managed a talismanic nine goals in 14 games for Bayern and he expects his hard work to pay dividends for Cameroon in Qatar.

"There's no secret, it's work; you have to work and believe in yourself," he added. "I know my qualities. I know I have a lot of qualities and with my team-mates, each one can make a difference. 

"There is always this pressure, every game is important and Cameroon expects us to win every game. We concentrate game after game. First, it's Switzerland and then we'll see."

Sadio Mane is backing Senegal's Lions of Teranga to show they still have sharp claws without him in Monday's World Cup opener against the Netherlands.

Bayern Munich forward Mane was set to spearhead the team's quest in Qatar, but a cruel leg injury has ruled him out of the tournament.

On paper, it seems the team are significantly weakened by his absence, but Mane says the reality could be rather different, backing the group he left to rise to their challenge.

The former Liverpool star wrote on Instagram: "This Monday, our dear country will compete in the World Cup, Qatar 2022. I am sure the Lions will transcend and approach every game as a true final.

"I am also convinced that all Senegalese will be in front of the small screen to support and encourage our valiant national team.

"Like all supporters of the 'Taniere' [lions' den], I am convinced that my team-mates will fight as one man and as they usually do to honour our dear Senegal. Long live Senegal, come on the Lions."

Senegal were surprise quarter-finalists in 2002, and as reigning Africa Cup of Nations champions they were considered by many as the continent's biggest hope for World Cup success this time around.

Losing Mane will change that perception for many observers.

The 30-year-old had a tendon reattached to the head of his right fibula after being ruled out of Senegal's squad, and he could face several months on the sidelines.

Mane thanked well-wishers, writing: "Many of you have sent messages of support following my injury. Thank God, the surgery I had in the middle of the week went well. I want to take this opportunity to thank and show my appreciation to you all."

Virgil van Dijk was saddened to hear his former Liverpool team-mate Sadio Mane would miss the World Cup, but he hopes the Netherlands will profit from the Senegal star's absence on Monday. 

Africa Cup of Nations champions Senegal suffered a huge blow on Thursday, when it was confirmed Mane would not recover from a fibula injury in time to feature at the tournament.

Mane has been directly involved in 12 of the last 25 goals scored by Senegal players at either the Africa Cup of Nations or the World Cup, leading coach Aliou Cisse to concede the Lions of Teranga would have to cope without their best player in Qatar.

Although Van Dijk acknowledges Mane's woes could benefit the Netherlands in Monday's Group A meeting, he has been in touch with the Bayern Munich attacker and pities his misfortune.

"I called him the next day. I wanted to know how he was, first and foremost, because there were so many rumours that he was out for a while," Van Dijk said of his reaction to Mane's injury.

"As a friend, I wanted to know how he was. Unfortunately, at the time, he'd already not had the best of news, but there was a little bit of hope, everyone thought.

"Unfortunately, he won't be able to make this tournament and I feel sad for him. I know how hard he worked for this. He wants to be important for Senegal and he has been important for them, in the last couple of years especially.

"It's tough. Obviously he's going to be a big miss for them, and hopefully we can benefit from that a little bit as well."

Although the Netherlands failed to qualify for the 2018 tournament in Russia, they have won 11 of their last 14 World Cup matches (D2 L1), with their only loss during that run coming in 2010's final against Spain.

The World Cup in Qatar is finally set to get underway, but there are a number of major players who will be watching along with the fans back home.

An unfortunate reality about the tournament is there will always be significant absences, either through a nation's failure to qualify or due to injury.

It is the latter that has been a major focus in the final week before Sunday's kick-off, with Senegal star Sadio Mane and France striker Karim Benzema both being late withdrawals from their respective squads, the latter suffering a quadriceps injury on Saturday, depriving the tournament of the 2022 Ballon d'Or winner.

Benzema's injury is just one of several significant blows for holders France, and they dominate Stats Perform's injured XI of the players unable to feature in Qatar.

Goalkeeper: Mike Maignan (France)

Maignan had a fine maiden season at Milan after joining from Lille. He kept 17 clean sheets in Serie A last term, the highest tally in the league, and conceded just 21 goals, with his save percentage of 79.4 the best of any Serie A goalkeeper to play more than 10 games in the competition.

He has made seven appearances this season, but the 27-year-old suffered a calf injury in October, leaving Didier Deschamps shorn of a quality shot-stopper to challenge Hugo Lloris.

Defence: Ben Chilwell (England), Reece James (England), Presnel Kimpembe (France)

Chelsea duo Reece James and Ben Chilwell were by no means guaranteed to start for England, but it's still a blow to Gareth Southgate not to have the pair available.

James has excelled at wing-back and would have been an ideal fit if England stick with a three-man defence, while he could also have slotted in at centre-back, and Chilwell would likely offer more attacking threat than Luke Shaw on the left should the Three Lions have needed to chase a game.

Paris Saint-Germain defender Presnel Kimpembe helped France win the 2018 World Cup, but he had to withdraw from Deschamps' squad for Qatar due to an Achilles problem.

Midfield: N'Golo Kante (France), Giovani Lo Celso (Argentina), Paul Pogba (France), Georginio Wijnaldum (Netherlands)

Giovani Lo Celso was not always a key player for Tottenham but retained his place as a crucial cog for Argentina. La Albiceleste will be without the midfielder, who sustained a hamstring injury while playing for Villarreal against Athletic Bilbao late in October.

Georginio Wijnaldum scored three goals in four games for the Netherlands at Euro 2020, but shortly after joining Roma on loan from PSG, the former Liverpool midfielder suffered a fractured tibia and had no chance of recovering in time to make Louis van Gaal's squad.

Another two France stars complete the midfield, with Paul Pogba and N'Golo Kante missing for Les Bleus. Both players were exceptional in 2018, but Kante is out with a hamstring problem, while Pogba is yet to make an appearance for Juventus this season after joining from Manchester United.

Attack: Karim Benzema (France), Sadio Mane (Senegal), Christopher Nkunku (France)

It's fair to say France have been hit hardest by injuries to big players, and there could arguably be none bigger than Benzema, the Ballon d'Or holder. Given he is 34, it could well have been the Real Madrid striker's final shot at a World Cup and is a huge blow not only to France but to football fans around the world who were highly anticipating the Benzema-Kylian Mbappe link-up.

A player who might have softened the blow of Benzema's injury was Christopher Nkunku, had he not already been ruled out himself with a knee issue sustained in training last week, just before Les Bleus left for Qatar. Nkunku has been in sensational form for RB Leipzig, with only Mbappe of players from Europe's top five leagues having scored more goals (58) since the start of last season than the RB Leipzig star, who has amassed 52 in 75 games.

Mane, meanwhile, was carrying the hopes of Senegal on his shoulders. The Africa Cup of Nations holders have a talented squad, but Mane was the stardust. He went down with an injury to his fibula while in action for Bayern Munich just before the World Cup break, and though Senegal named the ex-Liverpool attacker in their squad, he underwent surgery earlier this week and was duly ruled out.

Sadio Mane could face several months on the sidelines after undergoing the surgery that ended his slim hopes of playing for Senegal at the World Cup.

The Bayern Munich forward underwent what his club described as a successful operation on Thursday.

Bayern said in a statement: "During the operation, a tendon was reattached to the head of his right fibula.

"The FC Bayern forward will therefore no longer be available to play for Senegal at the World Cup and will begin his rehab in Munich in the next few days."

According to widespread reports in Germany, Mane's recovery is unlikely to be a quick one, with the former Liverpool forward said to be facing possibly three to four months out of action.

African player of the year Mane sustained the leg injury when playing in Bayern's 6-1 win against Werder Bremen last week.

He was initially judged fit enough to be included in Aliou Cisse's 26-man Senegal squad for the World Cup, with hopes he could be available by the knockout stages, but subsequent medical checks confirmed the need for surgery.

A short statement from the Senegalese Football Federation read: "The FSF wishes a speedy recovery to its player Sadio Mane."

Senegal face Netherlands in their Group A opener on Monday before meeting Qatar and Ecuador.

Bayern are due to resume their Bundesliga campaign against RB Leipzig on January 20. They headed into the World Cup break as leaders, chasing an 11th consecutive German league title.

They face a Champions League last-16 tie against Paris Saint-Germain, with games scheduled for February 14 and March 8 in that heavyweight contest.

Sadio Mane has been ruled out of the World Cup with a fibula injury, the Senegalese Football Federation confirmed on Thursday.

Mane sustained the leg issue while playing in Bayern Munich's 2-0 win over Schalke on Saturday, though he was deemed fit enough to be included in Aliou Cisse's 26-man squad.

It was announced on Tuesday that Mane would not play any part in Senegal's opening matches, Cisse's side saying they "will have to rely on playing the first games without Sadio".

But Thursday's update confirms Mane's injury will need surgery, thus ruling him out of the entire tournament in Qatar.

A short statement from the Senegalese Football Federation read: "The FSF wishes a speedy recovery to its player Sadio Mane."

It comes as a huge blow for both Mane and Senegal after he played an instrumental part in their Africa Cup of Nations triumph, scoring the winning penalty in the final against Egypt in February.

Senegal face Netherlands in their Group A opener on Monday before meeting Qatar and Ecuador, though they will have to attempt to reach the knockout stages without their star attacker.