Diego Simeone says Atletico Madrid's famous victory over Liverpool will count for nothing when they face RB Leipzig for a place in the Champions League semi-finals.

The Spanish side knocked out the holders with a 4-2 aggregate victory after extra-time in the last round and have been handed a favourable tie against last-eight debutants Leipzig.

However, five months have passed since the second-leg triumph at Anfield and Simeone insists that match will have little relevance on what happens in Lisbon on Thursday.

"That win is not a reference. Many months have gone and the enthusiasm died down during our time in quarantine," he said at a news conference on Wednesday.

"The Liverpool game will remain a part of our history and was very important for Atletico de Madrid, but it was very long ago and another path begins tomorrow."

Leipzig, led by impressive young coach Julian Nagelsmann, finished third in the Bundesliga this term and saw off Tottenham 4-0 in the last 16 of the Champions League.

Nagelsmann said on Tuesday he is eager to avoid a touchline confrontation with fiery Simeone but the Atleti boss chose not to directly reply to those comments.

"I do not respond to opinions of colleagues. I have nothing to comment," he said. "Tomorrow we play a very important game, against a young coach who is doing a fantastic job.

"They play very well and try to get the ball forward. They're a great team and the numbers show it. They finished third in Germany and have won the same number of games as us.

"I have a lot of respect for them and know that it winning is not just important but the only thing that there is."

Influential attacker Angel Correa and Sime Vrsaljko are not part of Atleti's squad for the one-legged tie with Leipzig after returning positive coronavirus tests.

But while Simeone is ruing the loss of a couple of players, he has his eyes firmly set on a third final appearance in six years with Atletico.

"Angel is important to us and being without Sime, who has fought hard to be back, also hurts,"  he said.

"We have lost two very important men from the heart of the squad, but we hope to have them later and we have to move on. We have to adapt to the circumstances."

Kylian Mbappe was named among the substitutes for Paris Saint-Germain against Atalanta in the Champions League quarter-finals.

The France star has been sidelined since injuring his ankle in the Coupe de France final victory over Saint-Etienne on July 24.

Head coach Thomas Tuchel said the forward would be in his plans against Atalanta provided he came through Tuesday's training session unscathed.

As expected, Mbappe was passed fit for the matchday squad on Wednesday, although he was not in the starting line-up.

Marco Verratti missed out with a calf injury, while Angel Di Maria was suspended, meaning the pressure was on Neymar and Mauro Icardi in the PSG attack.

Atalanta were without Josip Ilicic, who missed the final six matches of the Serie A season after returning to his native Slovenia for personal reasons.

Timo Werner's departure does not mean RB Leipzig will be "outnumbered" against Atletico Madrid, with Julian Nagelsmann confident his squad still carries a sufficient goal threat.

Chelsea shelled out a reported £45million (€50m) to secure the signature of Werner, who opted to link up with his new team-mates in west London rather than remain with Leipzig for the rest of their Champions League campaign.

The Germany international scored 34 goals and supplied 12 assists in 45 appearances in all competitions for the Bundesliga side in 2019-20.

Leipzig consequently head into their quarter-final against Atletico on Thursday without their most potent attacking weapon, but Nagelsmann believes they can still do damage at the Estadio Jose Alvalade.

"We don't have to play outnumbered, we will replace [Werner] with a capable player," Nagelsmann told a pre-match news conference.

"I can reveal that 11 will start the game, but I will not reveal who will play instead of him. We have quality.

"Timo would have started tomorrow, but we can replace him and we have the ability to get in front of their goal.

"We have players who didn't play when Werner was here and will now get their chance to show what they can do and score plenty."

Nagelsmann's attacking options could be further limited by Patrik Schick being on the way back from a knee injury, while Marcel Halstenberg has been dealing with a back problem.

"We'll see how they are doing. On Friday they were good; we'll see if they can start and play 90, or if they'll start on the bench," said Nagelsmann.

"If they can play 90 minutes, if they're at 100 per cent is a question for all my players, though, and we'll see that tomorrow."

Atleti have been regulars in the latter stages of the Champions League under Diego Simeone but Nagelsmann feels the fact remaining matches will be played as one-offs rather than over two legs makes up for Leipzig's inexperience in European competition.

"We'll look to play our game, we're focused on ourselves," said the Leipzig boss.

"We know that they have a lot of experience over two legs - but anything can happen in just one game as opposed to two legs. Atleti don't have experience in one-off games, just as we don't in this new Champions League format.

"They're physical, they have a really strong centre-back in the shape of [Jose] Gimenez and [Stefan] Savic next to him. We obviously want to look get down the sides and move the ball out wide and try and find gaps in their backline; we won't change our style.

"There's pressure and nerves. But we want to relax the players and not increase the pressure ahead. There's always tension. We've spoken through different scenarios - if we score, if they score.

"We're focused on the game, it'll be exciting and we want to make the first step and take the lead. We will be ready."

Jean-Clair Todibo is the Barcelona player who has tested positive for coronavirus, the defender revealed on social media.

Earlier on Wednesday, the Blaugrana revealed one of their nine players in pre-season training had returned a positive COVID-19 test.

The group - mainly consisting of fringe players - had been kept separate from the first team ahead of their Champions League quarter-final against Bayern Munich, meaning that match was not impacted.

Although Barca did not confirm the identity of the coronavirus case, Todibo took to Twitter to inform supporters of his diagnosis.

"Hello everyone," he wrote. "I inform you that I have tested positive for COVID-19. I am asymptomatic and I feel fine.

"I am at home following the proper health protocol. I really want to go back to training, but now it's time to stay home until the virus is over.

"Thank you all for the support, and encouragement to all the people who are also experiencing it closely."

Todibo joined Barca from Toulouse in January 2019 but has since made just five appearances for the club in all competitions.

The 20-year-old spent the second half of the 2019-20 season on loan at Schalke but again struggled to secure regular minutes, making only four Bundesliga starts.

Bruno Genesio believes Lyon can knock Manchester City out of the Champions League if they use the win during his tenure as inspiration.

In last season's competition, Lyon stunned City with a 2-1 success at the Etihad Stadium in the opening round of the group stage before later earning a 2-2 draw at home.

Now, under Rudi Garcia, the Ligue 1 side face Pep Guardiola's men again in the quarter-finals in Lisbon.

Genesio was reluctant to take credit for the previous triumph and insisted it could be repeated, pointing to a number of players who remain from that match.

"They have to use that success at Manchester City because a lot of them were in this game," the Beijing Guoan coach told L'Equipe.

"Maxwell Cornet, Memphis Depay, Houssem Aouar, Anthony Lopes, Marcelo, Jason Denayer...they did it.

"In this context, only one match and behind closed doors, the weaker team has an advantage. They must believe in it.

"But you must not be afraid to take risks, otherwise you are dead because you have to get out of their pressing.

"That victory was not mine. It was that of everyone, the staff, a president who was behind us and, obviously, the players first. It was a real collective happiness, joy because nobody imagined that possible.

"I was criticised at the time and it was a small collective revenge, yes. I used the criticisms to motivate my players. Rudi Garcia maybe did that also against Juventus [in the last 16], by the way.

"It proves that, in football, you have to believe that anything is possible."

Barcelona have revealed one of their nine players in pre-season training has tested positive for coronavirus.

While the Blaugrana's first-team stars, including Lionel Messi, are preparing to face Bayern Munich in the Champions League, a separate group has started preparations for next season.

New arrival Matheus Fernandes is joined by Jean-Clair Todibo, Moussa Wague, Carles Alena, Rafinha, Juan Miranda and Oriol Busquets, along with Pedri and Francisco Trincao, who have been linked with Bayern and Leicester City respectively.

Barca did not reveal the identity of the player but said one individual had returned a positive COVID-19 test. He is asymptomatic.

The confirmed case will not impact the Bayern quarter-final, however.

Barca's statement added: "The player has not been in contact with any of the senior team players who are scheduled to travel to Lisbon this Thursday to compete in the Champions League."

The Champions League has reached the quarter-final stage, with all four ties to be played over one leg in Lisbon over the next four days.

Last-eight regulars Barcelona and Bayern Munich meet in arguably the pick of the fixtures, while much-fancied Manchester City take on Juventus' conquerors Lyon.

Elsewhere, quarter-final debutants Atalanta and RB Leipzig will be looking to pull off upsets against Paris Saint-Germain and Atletico Madrid respectively.

Ahead of the mouthwatering ties, we take a look at the key Opta statistics.

Two hurdles from the final. Who makes it?

YOU decide! Sim your own Final 8 now #UCLFinalsBracket | @gazpromfootball

— UEFA Champions League (@ChampionsLeague) August 10, 2020 ATALANTA V PARIS SAINT-GERMAIN

0 - PSG have never won a game against Italian opposition in the Champions League, failing to keep a clean sheet in any of their previous six encounters.

1 - Atalanta are the first Champions League debutants to reach the quarter-finals since Leicester City in 2016-2017 and the first Italian side to do so since 1999-2000.

4 - The Serie A outfit have won their last four matches in the competition - the longest current run alongside fellow quarter-finalists Bayern Munich.

16 - No team still left in the tournament has conceded more goals than the 16 Atalanta have let in across their eight games.

32 - PSG have scored in each of their last 32 Champions League games in a run stretching back to the 2015-16 quarter-finals when firing a blank against Manchester City. 

#WeAreParis@ChampionsLeague is back pic.twitter.com/ayaJPEqON7

— Paris Saint-Germain (@PSG_English) August 10, 2020 RB LEIPZIG V ATLETICO MADRID

1 - Not only will this be the first competitive encounter between the sides, it is also the first time Leipzig have been drawn against a Spanish club in European competition.

5 - Atletico are contesting their fifth quarter-final in the last seven years - only Barcelona and Bayern Munich can better that tally across the same timeframe.

0 - None of Leipzig's 14 previous Champions League games have ended goalless.

4 - Four of the German side's last eight goals in the competition have come from the penalty spot. Indeed, only Atalanta (5) have benefited from more penalties this season.

12 - Since the start of 2019, 12 of the 14 goals Atletico have scored in UEFA's showpiece competition have been scored after half-time.

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#AúpaAtleti pic.twitter.com/4T7cyQxGxU

— Atlético de Madrid (@atletienglish) August 9, 2020 BARCELONA V BAYERN MUNICH

18 - Both sides are through to the last eight of the Champions League for an 18th time, with Barcelona into a record 13th successive quarter-final.

5 - The Catalan giants have been beaten in five of their eight previous encounters with Bayern in the competition, which is more than they have lost against any other side. 

17 - Bayern striker Robert Lewandowski has been directly involved in 17 Champions League goals in 2019-20 - six more than any other player.

8 - Hansi Flick's side have won their opening eight matches in the competition this term, with Barcelona the only side to have previously won nine on the spin.

2 - Barca have lost just two of their last 31 Champions League games and are unbeaten this season - Bayern and Man City being the only other unbeaten sides.

WorldLionDay pic.twitter.com/qFEph43I3v

— Memphis Depay (@Memphis) August 10, 2020 MANCHESTER CITY V LYON

1 - City have reached the quarter-finals of the Champions League for a fourth time in five seasons, but have only progressed from one of their previous three appearances.

4 - Lyon are unbeaten in their last four games against English opposition in this competition - a run that includes a win and a draw against City in last season's group stage.

2 - Pep Guardiola progressed from his first seven Champions League quarter-finals but has been eliminated in his two appearances at this stage with City.

3 - Gabriel Jesus could become the third player to score in three separate knockout games for City in a single season after Sergio Aguero and Raheem Sterling, both in 2018-19.

6 - Lyon attacker Memphis Depay has scored in six successive Champions League matches. Ruud van Nistelrooy is the only Dutch player to go on a longer run (nine with Manchester United in 2002-03).

It might not have been planned, but the events of 2020 have produced a version of the Champions League knockout phase that could well be a breath of fresh air.

In exchange for traditional heavyweights going head-to-head over two legs, the quarter-finals will each consist of one match, in the neutral surroundings of Lisbon.

What's more, six of the eight teams have never won the tournament, including Atalanta and Paris Saint-Germain.

They're not really comparable for their approaches off the pitch: Atalanta's record signing, Luis Muriel, cost less than a 10th of the fee PSG paid for Neymar. Still, these are two teams going toe-to-toe this season when it comes to entertainment value.

Using Opta data, we examine why Atalanta versus PSG could be a truly spectacular showdown - and why the potential absence of two star names could spell major trouble...

GUNG-HO OR GO HOME

At PSG, Thomas Tuchel is under pressure to deliver attacking as well as winning football, in the Champions League more than anywhere else. Atalanta just seem to know no other approach.

Only Bayern Munich (31) have scored more goals in this season's competition than PSG (20), and Atalanta are only four goals back.

Of the teams left in the tournament, Bayern (23.23) have the best minutes-per-goal rate. PSG are second on 36, with Atalanta third on 45.

PSG's knack for scoring should come as little surprise since they have the best shooting accuracy (26.32 per cent) of all the quarter-finalists. Atalanta are strangely much lower down at 17.58, although that's perhaps a figure that is skewed by their number of attempts: they have managed 80 shots inside the box compared to PSG's 42, and 28 outside the area, with PSG on 29.

PSG also benefit from a high number of big chances created (31), with only Bayern (37) and Manchester City (38) creating more. Atalanta are fourth on that list (26), but for overall chances created, they are better than PSG - they have carved out 81 openings, 10 more than the Ligue 1 champions.

ANY CASE FOR THE DEFENCE?

Perhaps Atalanta have little choice but to keep things on the front foot. They have only kept two clean sheets in their eight games this term and have conceded 16, which is more than any other remaining side.

PSG, meanwhile, have kept more clean sheets (six) and conceded fewer goals (four) than anyone else. It seems that, when necessary, they know how to sure things up. Having said that, they have faced 97 shots this term, which is just four fewer than Atalanta, so perhaps luck - and goalkeeper Keylor Navas - have been on their side.

Attacking football might be a given on Wednesday, but these are still teams who know how to disrupt. PSG have won 118 free-kicks in this term's competition, more than any other quarter-finalist and 24 more than Atalanta. Additionally, Atalanta have conceded 123 free-kicks, the most of any team in this season's tournament. Check your shin pads, Neymar.

ILICIC, MBAPPE AND FEARS OF OVER-RELIANCE

Kylian Mbappe is battling to recover full fitness after having injured his ankle in the Coupe de France final win over Saint-Etienne.

It looks likely that the France forward will be able at least to be on the bench for PSG, but Atalanta have no such luck when it comes to Josip Ilicic, who is definitely missing Wednesday game due to a personal matter.

Mbappe and Ilicic have each scored five goals in this season's Champions League, the latter getting all four in the last-16 second leg win over Valencia. Mbappe has four assists to boot, having created five big chances, two more than Ilicic.

Both have been involved in more goals for their respective sides than any other player, but the loss of Ilicic - playing the best football of his career at the age of 32 - looks like being a far more damaging blow.

Ilicic has a big chance conversion rate of 80 per cent, a shooting accuracy of 81.82 per cent, and has completed 83.05 per cent of passes ending in the final third. All of these are leading figures for Atalanta this season.

He has also completed 21 dribbles, again the best of anyone in Gian Piero Gasperini's side and 11 more than Mbappe has managed.

Marten de Roon stuck by his promise to make pizza for more than 1,000 people if Atalanta win the Champions League.

Atalanta face Paris Saint-Germain in the quarter-finals in Lisbon on Wednesday as they look to continue their dream run.

De Roon said earlier this year he would make pizza for the fans in Bergamo if the Serie A club go on to win Europe's premier club competition.

Speaking ahead of the meeting with PSG, the 29-year-old midfielder is sticking by that plan.

"As I said, if we win the Champions League there will be pizza for more than 1,000 people," De Roon told a news conference.

"However, if we lose, we will try to reach that goal again next year. I can't support us losing.

"We will try again next year and we will see how it goes."

Thomas Tuchel backed Mauro Icardi to deliver for Paris Saint-Germain in their Champions League quarter-final against Atalanta.

Icardi failed to score in the Coupe de France and Coupe de la Ligue finals as PSG returned to competitive action last month.

The 27-year-old has netted 20 goals in 33 games in 2019-20, and will need to step up amid doubts over Kylian Mbappe, who is dealing with an ankle injury.

PSG coach Tuchel said Icardi would play an important role in Lisbon on Wednesday.

"Mauro is very important, especially with Kylian's injury and Edi Cavani absent," he told a news conference.

"It will be very important that he play a great game, showing his personality, showing that he can fight in important games. He is never scared, he can always score.

"We can rely on him tactically and defensively. His integration was great with the group, which was not very complicated as we have plenty of South American players, but he really fits in this locker room.

"It's now time for him to put us into the semis."

Thomas Tuchel is convinced Neymar will play a pivotal role for Paris Saint-Germain against Atalanta in the Champions League quarter-finals on Wednesday.

Neymar was on target in both legs as PSG dispatched Borussia Dortmund in the last-16 and has been in fine form since returning to action after Ligue 1 was cancelled amid the coronavirus pandemic in April.

The Brazil international scored in warm-up friendlies against Le Havre, Waasland-Beveren and Celtic before notching the winner in the Coupe de France final against Saint-Etienne.

Tuchel is banking on Neymar again coming to the fore, particularly with Kylian Mbappe set to be limited to the role of substitute following an ankle injury sustained in the meeting with Saint-Etienne.

"I have the impression there's always a lot of pressure on Neymar. You can't imagine the pressure that's on Ney. But he is a lad who likes that, who's used to playing with that pressure," Tuchel told his pre-match news conference on Tuesday.

"We're glad he has the possibility of finishing the match with Kylian [as] they like playing together a lot.

"He likes the big matches and he likes decisive matches. He's a player you can trust in the big matches.

"I'm absolutely convinced he will put on a big performance and that he holds the keys for us, he has the mentality for situations like this."

PSG defeated Lyon in the Coupe de la Ligue final on July 31 to complete a domestic treble, with a final friendly against Sochaux taking place last week.

The squad travelled to Lisbon for the Champions League finale following a short training camp in Faro and Tuchel believes they are ready for the challenge of knockout football.

"It is hard to play against Atalanta. It is a huge challenge but there are always possibilities," he said.

"It will be a tactical game, but also a mental game. Our latest training sessions were a good mix of concentration and team spirit. We suffer together, but we also fight and play together.

"We all have the feeling we've prepared in the best fashion. For us it was really important to win the two finals.

"It wasn't easy to restart after a four-month pause and then four weeks' preparation to play two finals as the big favourites. That was a big challenge mentally for the players but to win was the best preparation for this tournament."

Paris Saint-Germain have been boosted ahead of their Champions League quarter-final against Atalanta with Thomas Tuchel confirming Kylian Mbappe is set to play a role.

Mbappe was expected to miss the game after he sustained a sprained ankle and ligament damage in PSG's Coupe de France final victory over Saint-Etienne on July 24.

The World Cup winner was expected to be sidelined for at least three weeks, but Tuchel revealed he will be available for Wednesday's knockout clash at Estadio da Luz provided he gets through Tuesday's training session unscathed.

However, the PSG boss suggested Mbappe will only be used as a substitute.

"If Mbappe trains well today and nothing unusual happens, he will play tomorrow," Tuchel said at a pre-match news conference.

"We are very happy that he is with the group and we have the opportunity to finish the match with him."

Marco Verratti will not feature against Atalanta, however, having sustained a calf injury.

The midfielder did not join his team-mates for a training camp in Faro and Tuchel thinks it would be tough for him to return for the semi-finals if PSG progress.

"For Marco, it will be very, very tight for the semi-finals. It's really unlucky. He is going to speed up his work and we will try [to get him fit]," he said.

Paris Saint-Germain have been boosted ahead of their Champions League quarter-final against Atalanta with Thomas Tuchel confirming Kylian Mbappe is set to play a role.

Atalanta have a responsibility "not to disappoint" when they face Neymar and Paris Saint-Germain on Wednesday, Gian Piero Gasperini says.

The Serie A side are the last Italian team left in the Champions League in what is their first appearance in Europe's top competition.

Gasperini's men have become renowned as one of Italy and Europe's most entertaining teams: they scored 98 times in Serie A this season and have averaged two goals for and two against per Champions League match.

The Bergamo region was hit particularly hard by the coronavirus pandemic, and Gasperini thinks Atalanta owe it to themselves and their supporters at home to stick to their principles in the quarter-final.

"We know very well the anticipation around this match, given the passion and love around Bergamo for Atalanta," he said.

"This year, there is even more motivation given all that has happened. It's a football match but we have to represent our region in the best way possible.

"We arrive in the best mental condition. We've got some very important results after the lockdown.

"We are proof that even a team without a European heritage can do well and achieve important goals through playing, enthusiasm and other things.

"We have a responsibility to ourselves not to disappoint. We want to continue to show that Atalanta can sit at the table of the biggest clubs."

The threat of COVID-19 means the remaining Champions League matches are being held as one-off ties behind closed doors in the neutral city of Lisbon.

Gasperini admits he would prefer to have a two-legged tie, saying Atalanta "historically have done well in the second match".

"We are facing a team we've never faced before and have no direct parameters in terms of meeting their players," he said.

Kylian Mbappe is an injury doubt and Angel Di Maria is suspended, but Gasperini expects his players to have their hands full when it comes to stopping Neymar.

"He is undoubtedly one of the strongest in the world. It's a problem for anyone to face him," he said.

"The best way to defend is to play well. We'll try to stop him with our organisation. We've faced a lot of strong players."

Bayern Munich midfielder Leon Goretzka is looking forward to the challenge of taking on Barcelona superstar Lionel Messi after going up against Cristiano Ronaldo.

When he was at Schalke, Goretzka twice faced Ronaldo's Real Madrid, losing 6-1 in February 2014 and winning 4-3 at the Santiago Bernabeu a year later – with both matches part of Champions League last-16 exits for the Bundesliga side.

The imposing midfielder will get his first chance to take on Messi in a professional match when Bayern play Barca in the Champions League quarter-finals in Lisbon on Friday.

However, Goretzka knows it will take a team effort to contain Messi, who was pivotal in getting Barca past Napoli in the last-16 second leg last week.

"After having played Cristiano Ronaldo several times, it's nice to be able to play against another leading footballer of our decade," said Goretzka.

"The only way it works [stopping Messi] is collectively. Everyone knows just how gifted he is, he is capable of finding many solutions also in tight situations.

"We will have to fight back as a team. If one player can actually take away his fun in the game, I don't know. We just have to fight back as a team and try to play our game."

Goretzka left Schalke for Bayern on a free transfer in 2018 despite interest from Barcelona, and he feels resisting the lure of Camp Nou was the correct decision.

"Back then I deliberately took a long time. I had a few options to stay with Schalke. I listened to everything and made a conscious decision in favour of Bayern. I have never regretted making this decision," he said.

The suspension of major football during the coronavirus pandemic means the quarter-finals and semi-finals of the Champions League will be played as single games rather than over two legs, with UEFA squeezing in the closing stages of the tournament ahead of the start of the 2020-21 season.

Goretzka believes Bayer Leverkusen's Europa League exit at the hands of Inter on Monday was a reminder of how that change has altered the dynamics of European competition.

"This is a knockout game. The right mental mix is always required. Yesterday the Leverkusen game annoyed me because they actually played a good game but were eliminated because of 20 minutes. I had the feeling that they would have progressed over two legs," he said.

"I think we can beat any opponent. Nevertheless, we know that a very good team is waiting for us with world-class players. But we will play with our chests puffed out, like we have over the past nine months. We are already in a positive mood."

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