Man Utd: de Gea, Valencia, Bailly, Rojo, Darmian, Fellaini, Ander Herrera, Pogba, Lingard, Rashford, Young. Subs: Ibrahimovic, Carrick, Blind, Romero, Mkhitaryan, Shaw, Fosu-Mensah. 

Chelsea: Begovic, Azpilicueta, Luiz, Cahill, Zouma, Moses, Kante, Matic, Pedro, Hazard, Costa. Subs: Fabregas, Loftus-Cheek, Willian, Batshuayi, Terry, Eduardo. 

Referee: Robert Madley (West Yorkshire)

Image source, Reuters

Apparently Marcos Alonso felt unwell this morning, and that's why he has pulled out of the Chelsea XI.

Speaking of which...here's a reminder of the two teams.

Ready? Chelsea get the ball rolling...

The television cameras pan on a sullen-looking Jose Mourinho as he trudges down the touchline. He's got the face of a man who left the house today without a brolly.

Antonio Conte follows him towards the benches, but we haven't seen the shot the director wants yet - the firm-gripped, pretending-we're-friends handshake.

The Stone Roses blast out of the Old Trafford sound system. That means it is time to rock'n'roll.

Both sets of players are lined up in the red canvas tunnel, including late arrival into the Chelsea side, Kurt Zouma.

Chelsea have not confirmed Marcos Alonso's injury. But Manchester United have...

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Chelsea boss Antonio Conte speaking to Sky Sports about Thibaut Courtois' injury: "During the week he had an injury in is ankle. He didn't recover for this game. I hope it's only this game."

Conte is asked if the injury happened playing basketball at a promotional event.

"I think it's not important to understand the way he had this injury. The bad news is he's injured and it's important to work for the recovery soon."

What a blow that could be. For Chelsea and for fantasy football managers across the land...

Uh oh. It appears Antonio Conte's injury problems have just taken a turn for the worse. Left wing-back Marcos Alonso has limped out of the warm-up and down the tunnel ahead of his team-mates.

More on that news as we get it.

Image source, Getty Images

Manchester United manager Jose Mourinho, speaking to Sky Sports: "To play against the top teams is always a motivation. I prefer to play against a top team two days away at Anderlecht rather than a game where the motivation is not as high.

"We made some changes, especially after players' feedback because that is important to us. Some players played Thursday but have to play again.

"Chelsea need a victory to keep that distance from Spurs and we need victory to give us a chance of the top four. It will be two teams who want to win."

There is some chat that Thibaut Courtois injured his ankle playing basketball for a commercial shoot. Sure that will have gone down well with Antonio Conte...

Antonio Conte says he has "zero problem" with Blues predecessor Jose Mourinho.

"It's a sporting competition between me and him," says the Chelsea boss.

"There is a game of football and I want to win with my team, he wants to win with his team. It's normal to be in conflict during the game but only a sporting conflict. 

 "It's very simple, the conflict is the game. It's not a friendly game, both teams want the three points and for this reason you fight to win."

Jose Mourinho and Antonio Conte have exchanged angry words on the touchline during the previous meetings between the teams already this season. 

And with both men more combustible than a fireworks shop, don't bet against another confrontation on the Old Trafford touchline.

Although Conte reckons he does not enjoy touchline confrontation...

Image source, Getty Images

Might be worth keeping half an eye on the antics near the dugouts this afternoon as well as what's happening on the pitch...

Might there be a few nerves in the Chelsea dressing room? Blues legend Frank Lampard reckons there will be.

Tottenham's impressive form in pursuit of Chelsea will make the Premier League leaders a little edgy, he tells BBC Sport.

Spurs beat Bournemouth for a seventh straight league win and moved to within four points of Chelsea.

"Chelsea are very aware that Spurs are there and it'll be a tough game for them," Lampard says.

"There will be some nervousness but so there should be."

Read our full piece with Lampard here.

And not losing is something United do very well...

Image source, #bbcfootball

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Phil McNulty
BBC Sport chief football writer at Old Trafford

Jose Mourinho says Zlatan Ibrahimovic is "tired" - and as a consequence that Manchester United team has got the look of one designed not to lose all over it.

Manchester City and Liverpool have won away this weekend to turn up the pressure on Manchester United in the hunt for a Champions League place - fail here and it looks like it is down to the Europa League to get United and Mourinho back in the elite next season.

Has Zlatan been hitting the trendy bars in Manchester's Northern Quarter? Or are the kids having bother with poorly teeth and are up in the night?

Either way he needs some rest by the sounds of it. Maybe it is just an age thing.

Zlatan Ibrahimovic is among that group of home players out on the pitch, although his warm-up will be less vigorous than some of his team-mates. The Swedish superstar is starting on the bench.

And here's why.

"He's tired - very tired," says United boss Jose Mourinho. "I’ll try to protect him but let’s see the result. He's on the bench and ready to help."

Zzzzzzzz...

Image source, Reuters

Whoops and shrieks from those home fans already inside Old Trafford as the Manchester United jog out of the tunnel to warm up.

It was the sort of welcome that One Direction would get...