Borussia Dortmund have a job on their hands if they are to reach the semi-finals after losing the first leg at the Wanda Metropolitano 2-1.

Dortmund boss Edin Terzic hopes a sold-out Westfalenstadion crowd of 81,500 can help his side mount a comeback.

"It's unique. It's regularly sold out and it has helped us countless times over the years," he said.

"We need a good result against Atletico and we're pretty sure our supporters want to make that happen and create a good atmosphere.

"So we want to pay them back."

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Five-time winners Barcelona are aiming to reach the Champions League semi-finals for the first time in five years.

"We're not a team that will sit on our lead, we want to take the ball off PSG and win the game," said manager Xavi.

"It's the Champions League, it's Paris [St-Germain], and a game in which no one will be holding back."

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Atletico Madrid are bidding to reach their first Champions League semi-final in seven years.

"You don't need to say much to the players about the opportunity to be among the best four teams in Europe," said Diego Simeone.

"The team is in good condition."

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Paris St-Germain manager Luis Enrique has belief his side can overcome their 3-2 first-leg deficit against Barcelona.

They were last in the semi-finals three years ago.

"PSG have never come back to win after losing a first leg, but [Tuesday] is the day," said Enrique.

"We have a very united group of players, in which there are no egos."

Barcelona progressed from all 11 Champions League knockout ties they recorded an away win in the first leg.

Will they make it 12 from 12 tonight?

Peter Crouch
Ex-England striker on TNT Sports

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On Jadon Sancho's Manchester United exit:

The way it was handled from all sides, it left a bit of a bitter taste.

Sancho just needs to go out and play football, and he has found himself on the biggest stage again.

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In a largely underwhelming performance from Borussia Dortmund in Madrid last week, one man stood out and that man was Jadon Sancho.

The England international was a constant menace to the Atletico Madrid defence and was pushing his side to find a way back into the tie.

Now just a goal down, Sancho may be the player to inspire his side to reach the last four.

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Paris St-Germain have played Barcelona more than any other opponent in European competitions (14 times).

PSG's record against the Spanish champions is W4, D4, L6.

There have been 127 occasions when a team suffered a 3-2 home defeat in the first leg of a two-legged Uefa European knockout tie. Only six have ever recovered to progress.

Xavi and Luis Enrique were teammates for Barcelona and Spain. Enrique's first season as Barca manager was Xavi's final as a player at the club (2014-15).

They won the treble of Champions League, La Liga and Copa del Rey that season.

Anon: Much as I dislike Simeone and Atletico's tactics, I feel like they're the best option of the four to stop the City juggernaut in the final. Although if you promised me Der Klassiker in the final, I'd take it instead!

Parfitt: Rooting for Atletico Madrid tonight. Griezmann such a top drawer player and in fine form. And, much more importantly, such good hair.

There's a lot to be said for a great haircut, Parfitt!

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The last time Atletico Madrid visited the Westfalenstadion in October 2018, they were convincingly beaten 4-0.

Oh, how Borussia Dortmund would love a repeat of that tonight.

Harry Kane says Bayern Munich's season will be a failure if they do not win the Champions League.

Bayern host Arsenal tomorrow in their quarter-final second leg, with the tie level at 2-2.

The German side only have the Champions League to play for after their run of 11 successive Bundesliga titles was ended by Bayer Leverkusen last weekend.

"We still have an opportunity to turn this season into a great season if we win the Champions League," said Kane.

"Of course, from the club's point of view it will be a failed season if we don't win anything this year because we're expected to win.

"But all we can do is take that into next year and try and turn that around."

Rio Ferdinand
Former England defender on TNT Sports

It was astonishing [in the first leg] for a young kid just coming out of school, going out on the biggest stage, and playing like it was any other game.

Lamine Yamal looks so calm and composed and that is the impressive thing, apart from the raw ability that he has.

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Antoine Griezmann has been in fine form in the Champions League this season for Atletico Madrid this season and already has six goals to his name.

Another goal for the Frenchman will take him level with Bayern Munich striker Harry Kane at the top of the charts.

Borussia Dortmund will have to keep Griezmann quiet if they are to reach the semi-finals tonight.

Constantin Eckner
German football writer

Bayer Leverkusen's quest for a German championship title has been a rollercoaster ride through history, often ending in heartbreak.

In 2000, they famously stumbled at the finish line at minnows Unterhaching, a small club in the suburbs of Munich, as the moniker "Neverkusen" made the rounds for the first time.

Two years later, Leverkusen even managed to miss three chances to win silverware within a few days, manifesting the image of a club that would always come up short.

Fast forward to this season and any lingering doubts about Leverkusen's ability to handle the pressure were swiftly dispelled weeks before Sunday's title success.

Under the leadership of Xabi Alonso, their dominance has been relentless, marching towards their maiden domestic championship with an air of inevitability.

They've been a juggernaut, unbeaten thus far, eyeing not just the Bundesliga crown but also tantalising prospects of a treble, with the German Cup and Europa League also still within reach.

Read more here.

No Premier League sides are in action tonight, so we want to know who you are rooting for out of the four teams playing in this evening's quarter-finals.

Get in touch and let us know why, using the means above.

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A lot has been said about UEFA coefficients this term and whether the Premier League will gain an extra Champions League qualification spot.

In a nutshell, the better the English sides do in Europe, the higher the chance of that happening. As it stands, England are third in the coefficient table, behind Italy and Germany.

Should Atletico Madrid eliminate Borussia Dortmund tonight, one less German side will be in Europe, increasing the chances of England overtaking them in the coefficient table.

It's a double-edged sword, however, with Spain breathing down England's neck in terms of coefficients too.

This is all before you consider that England and Germany go head-to-head in the Champions League and Europa League this week, with Arsenal tied at 2-2 ahead of Wednesday's second leg at Bayern Munich and West Ham needing to overturn a 2-0 aggregate score against newly-crowned Bundesliga champions Bayer Leverkusen.

Got a headache? Yeah, same.

BBC Radio 5 Live

With no British sides playing this evening, we have Tuesday Night Club with Kelly Cates on BBC Radio 5 Live. That's already kicked off.

Joining Kelly is former footballers Nedum Onuoha and Theo Walcott, as well as Daniel Storey, Chief Football Writer at the i.

Rio Ferdinand
Former England defender on TNT Sports

Everything is in the balance, Every team has got something to play for and no team has been wiped out.

This one tonight is really exciting. When Mbappe turns up, I still believe he has the power to change any game.

Callum Matthews
BBC Sport reporter

The first legs of the Champions League quarter-finals delivered.

And, none more so than Barcelona's trip to Paris St-Germain as the five-time winners came from behind to earn a 3-2 victory.

Former Leeds winger Raphinha shone in Paris, as Kylian Mbappe failed to impress.

There were also some record-breaking teenagers in Barcelona's side, who showed brilliant resolve in the face of a hostile Parisian crowd when they were trailing.

Read more here.