Wayne Rooney
Former Manchester United striker on Amazon Prime

They want to see the players playing for the badge.

It's what football is all about.

You have bad games, you lose games of football, but the fans out there when it is a very difficult period for the club want [players] to show what it means to play for the club.

You just hope that these players understand that.

Simon Stone
BBC Sport Manchester United reporter at Old Trafford

Plenty of green and gold balloons in the air.

Not a massive protest but a symbolic one.

Manchester United fans are really not happy at present.

Image source, BBC Sport

Nick Mashiter
BBC Sport football news reporter at the Nou Camp

Following the tragic passing of Tenerife striker Jesus de Miguel and in respect for the victims of last month's train crash in Spain, the Champions League anthem is not being played at the Nou Camp.

Stephen Warnock
Former Liverpool defender on BBC Radio 5 Live at Nou Camp

I remember when I spoke to Ezri Konsa when I was out with Aston Villa in America about the manager and the level of detail, the way you learn the game.

A lot of people talk about Pep Guardiola and the way he sees the game different. I think Unai Emery is the same calibre. Emery is just an absolute genius at what he does.

The Champions League seems to stir something up for Manchester United's players.

It was after their 2-0 defeat by Atletico Madrid that Lisandro Martinez was critical of the club's hierarchy before United's 4-1 loss to Como sparked Bruno Fernandes' outburst against Michael Carrick and the staff.

Will there be any more loose lips in Europe this evening?

Wayne Rooney
Former Manchester United striker on Amazon Prime

I think Bruno [Fernandes] is always a threat. Bryan Mbeumo always gets one or two good chances in a game, but Bruno I would say is the main threat, and I think that shows the lack of a number nine.

Mbeumo does get chances Amad Diallo does get chances but here is nowhere near clinical enough. Matteus Cuha hasn't scored enough goals [either] really.

Manchester United have won all four of their home matches against Roma, their joint-best 100% record at home to an opponent in major European competition.

Will the Red Devils' extend that record?

Stephen Warnock
Former Liverpool defender on BBC Radio 5 Live at Nou Camp

I think the standards have massively dropped at Manchester United in the last couple of years. I think Michael Carrick brought those standards up last year but for whatever reason, whether it's a lack of confident or a lack of belief in what the manager is doing lately, or whether it's a few players throwing their toys out of the pram that has got to improve.

And it's got to be from both the manager and also within the changing room. There has to be heated discussions between the players to say this is unacceptable.

Simon Stone
BBC Sport Manchester United reporter at Old Trafford

Manchester United fans planned a green and gold balloon protest place as the teams came out.

You can already spot a fair few balloons in the Stretford End.

Manchester United have already started singing against the Glazer family and Sir Jim Ratcliffe - and plans for a new stadium - and director of football Jason Wilcox.

Image source, BBC Sport

Lamine Yamal is making his 37th appearance in the Champions League as a teenager; it's the joint-most in the competition's history along with Warren Zaïre-Emery.

Image source, Getty Images

Nick Mashiter
BBC Sport football news reporter

Image source, Getty Images

Barcelona winger Anthony Gordon has vowed to be more selfish ahead of facing Aston Villa.

The England forward is preparing for the Champions League clash on Tuesday following his summer move from Newcastle in a deal worth more than £69m.

Gordon has previously played Villa with Everton and Newcastle in the Premier League, scoring in the Magpies' 3-0 win on Boxing Day in 2024.

"They're one of the most physical teams in the league. They've got some great players," he said.

"Certain things can motivate me more than others but I try to remain the same. I try to remain consistent with my motivation. So the fact they're English doesn't make it more motivating.

"They have some great players, I know they all have had a great run as of late, so it's going to be a difficult game.

"They're the type of team that regardless of the game, they're always in the game, they wait for a moment. They seem to always be ready for any type of game, so we know it will be a tough challenge but we're excited for what's to come."

Aston Villa

Aston Villa manager Unai Emery speaking to TNT Sports: "We are excited. Today is the highest level in football. We are ready, but of course we know that it is going to be a difficult match.

"[We] want to understand how we can try to compete, how we can exploit our capacity, our skills through the players and being organised."

On Barcelona: "Barcelona they are very competitive and favourites in this competition, so they have six points and are now playing at home after defeating PSG. They must win against us, so today, is a very good test to try to identify how we can compete when the level is high, and the opponent need to compete against us strongly."

Image source, Getty Images

Defending champions Paris St-Germain were involved in a thriller in their last Champions League game, beating Barcelona 4-2 at Parc des Princes.

That victory came at a cost, though, with Khvicha Kvaratskhelia suffering an ACL that has ruled him out for the rest of the season, while Ousmane Dembele and Marquinhos also limped off and haven't played since.

PSG face Spanish opposition again tonight as they visit Villarreal aiming to stretch their unbeaten run in the competition to 14 games, which would match the record for a French side, set by Lyon between December 2004 and March 2006.

Villarreal have won three of their four games against French sides in European competition but since Luis Enrique took charge, PSG have gone unbeaten in their four Champions League away games against Spanish teams, winning three of them, so something will have to give.

The visitors topped the standings after winning each of their first three games, whereas Villarreal have won one and lost two so far.

Simon Stone
BBC Sport Manchester United reporter at Old Trafford

Image source, Getty Images

Roma coach Gian Piero Gasperini is best known in this country for the nine years he spent turning Atalanta into Serie A contenders and European regulars.

Remarkably though, prior to his time at Atalanta, he was sacked after just five games in charge of Inter Milan.

His tenure included four defeats and a draw, so he understands the difficulties Michael Carrick is going through at Manchester United just now.

“I don't really know why Manchester United are experiencing the difficulties they are at the moment,” Gasperini told me last night.

“But what I do know is that Manchester United is made up of very strong players. Sometimes you go through a hard time, but then you get back on track and you start getting good results.

“I hope that is what happens to Manchester United after tomorrow obviously.”

Image source, Getty Images

Away from the English sides, perhaps the most intriguing game of the evening comes in Spain as two of last season's Champions League semi-finalists meet as Atletico Madrid host Bayern Munich.

Both sides will be eyeing a top eight finish so could do with a win after middling starts to their European campaigns.

Diego Simeone's Atletico are on four points from three games. Having lost at Liverpool in their opening match, they responded with a 2-0 win over Manchester United but were held to a 1-1 draw at Stuttgart last time out.

Meanwhile, Bayern have followed up their 5-0 thrashing of Bodo/Glimt with two draws. A 2-2 at home to Arsenal last time out came after dropping points more surprisingly in 3-3 draw at Norwegian champions Viking.

Simon Stone
BBC Sport Manchester United reporter at Old Trafford

Manchester United are on their worst run of form since 1988-89.

They have not gone 10 games without a win in a single season since 1977-78.

There is huge pressure on Michael Carrick, but the United head coach is vowing his team will turn the situation around.

“We know it’s been difficult recently,” he admits in his programme notes for this evening’s Champions League clash with Roma at Old Trafford. “But we have to keep looking forward.

“We have a responsibility to represent you and everything Manchester United stands for.

“We are determined to repay your incredible support, and I know that, as a group, we are more than capable of producing the performances you deserve.”

Manchester United

Manchester United defender Ayden Heaven, speaking to Amazon Prime:"Really excited. First start here at Old Trafford in the Champions League, [it's] everyone's dream really. I can't wait to get started."

On making his Champions League debut in the defeat by Atletico Madrid: "It was a tough game, probably one of the toughest we'll play. They played well, credit to them and we can take that into this game. We learned a lot from that game, so we're prepared."

On conceding in the opening minutes in their last two European games: "We have to start fast. It wasn't good enough conceding early on, so we've worked on it. We're going to do as much as we can to prevent it happening again."

On creating a good atmosphere tonight: "It's not been a very good start. The fans know that as well. It's down to us to put that right today. We're ready."

Stephen Warnock
Former Liverpool defender on BBC Radio 5 Live at Nou Camp

On Ayden Heaven being put up for the pre-match interview by Man Utd:

I think it's really poor, if I'm being completely honest. I think you're asking a youngster to shoulder everything for the senior players when the senior players should be stepping up.

I remember when I was Blackburn captain stepping up for Ryan Nelson when he was injured and when we lost a game, I just said I'll do it because I was captain of the football club at the time.

To put a youngster up is poor, whether that is from Michael Carrick, the press officer, whoever it might be. I think you have to protect the younger players.