Phil McNulty
BBC Sport chief football writer

Chelsea manager Maurizio Sarri insisted it was a "misunderstanding" that led to keeper Kepa Arrizabalaga's refusal to be substituted in the Carabao Cup Final against Manchester City at Wembley on Sunday.

It must have been some misunderstanding - since then Kepa has been fined and now dropped.

Naughty step time for the Spaniard.

Bournemouth

Bournemouth manager Eddie Howe: "We try and go in to every match with the idea of imposing ourselves. We've had some close games against Arsenal, and we're hoping we can go one better tonight."

Image source, Getty Images

Chris Bevan
BBC Sport at Etihad Stadium

Manchester City are heading into March with their quadruple hopes very much alive and, if they are going to triumph on all four fronts, then the Etihad Stadium will definitely play its part.

With 13 wins out of 14 here in the Premier League so far in 2018-19, City have the best home record in the top flight, and they usually score a few goals along the way too.

In the seven games in all competitions since their sole domestic home defeat this campaign - against Crystal Palace on 22 December - they have enjoyed seven victories and scored 34 goals, an average of almost five per match.

With 10 defeats in 12 trips to the Etihad, West Ham’s record here does not suggest they can buck the trend but they and their manager Manuel Pellegrini will both remember their only win here, in September 2015. Sadly for Pellegrini, he was in charge of City at the time.

The good news? Crystal Palace are unbeaten in six games. Wilfried Zaha is full of form too having scored in three consecutive league matches.

But the bad news? Palace have never beaten Manchester United in the Premier League. In 19 matches, they have drawn just four and lost the other 15.

Palace have only scored seven goals in those 19 matches and United have lost just one of their 14 games under Ole Gunnar Solskjaer's reign.

Image source, Getty Images

Has Unai Emery got one eye on Saturday's north London derby? The Arsenal manager has made six changes to his starting XI.

Alexandre Lacazette drops to the bench, as does Granit Xhaka, Alex Iwobi, Aaron Ramsey, Stephan Lichtsteiner and Shkodran Mustafi.

Mesut Ozil is in the side and Carl Jenkinson makes his first start for Arsenal since a 1-1 draw at Manchester United in November 2016!

Pierre-Emerick Aubameyang, Laurent Koscielny, Nacho Monreal and Matteo Guendouzi are the other players to come in.

Arsenal XI: Leno, Sokratis, Koscielny, Mkhitaryan, Ozil, Torreira, Aubameyang, Monreal, Jenkinson, Guendouzi, Kolasinac

Image source, BBC Sport

Less chopping and changing from Bournemouth, who have made just two changes.

Midfielder Andrew Surman replaces the suspended Jefferson Lerma. And the other change sees Lys Mousset start up top instead of Dominic Solanke, who is not in the squad.

Bournemouth XI: Boruc, Gosling, Ake, Surman, Mousset, Ibe, Smith, King, Clyne, Fraser, Mepham

Image source, BBC Sport

If Bournemouth are going to cause an upset tonight, they will have to break through a pretty solid Arsenal team at home.

The Gunners have won their last seven home matches. In fact, their record at the Emirates Is the second best in the Premier League.

Only Manchester City can top their tally of 11 wins and 35 points from 14 matches.

Bournemouth are also on a club top-flight record run of eight consecutive away defeats, conceding at least two goals each time.

Image source, Getty Images

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Roberto Firmino, who injured his ankle at Manchester United on Sunday, doesn't make it so Divock Origi makes only his second Premier League start of the season for Liverpool.

That's one of two changes Jurgen Klopp makes to the side that started at Old Trafford - Trent Alexander-Arnold is also back as Jordan Henderson drops to the bench.

Henderson's absence means James Milner captains the team.

Liverpool XI: Alisson, Alexander-Arnold, Matip, van Dijk, Robertson, Wijnaldum, Fabinho, Milner, Salah, Origi, Mane.

Subs: Keita, Henderson, Sturridge, Lallana, Mignolet, Shaqiri, Camacho.

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No surprise that Watford boss Javi Gracia names an unchanged side after last Friday's thumping 5-1 win at Cardiff.

Troy Deeney leads the Hornets, who are chasing a first Anfield win since 1999.

Watford XI: Foster, Janmaat, Mariappa, Cathcart, Masina, Doucoure, Capoue, Hughes, Pereyra, Deulofeu, Deeney.

Subs: Cleverley, Sema, Gray, Quina, Navarro, Kabasele, Gomes.

West Ham United

Image source, Reuters

Mick McCarthy has said he always felt West Ham's Declan Rice would opt for England rather than continuing his Republic of Ireland career.

Rice pledged his international future to England after taking some time to choose which country to represent.

McCarthy had promised to build a team around England-born Rice, who played in three friendlies for the Irish, if he declared for the Republic.

"I didn't think for one minute he was going to join us," McCarthy stated.

Rice made his decision public two weeks ago but McCarthy told RTE Sport he knew about it several months ago.

"I was hopeful. Was I optimistic? No."

Image source, BBC Sport

Pep Guardiola makes five changes to the Man City team that beat Chelsea on penalties to lift the Carabao Cup on Sunday.

Captain Vincent Kompany is recalled at the heart of the defence, while Danilo, Ilkay Gundogan, Riyad Mahrez and Leroy Sane also start at Etihad Stadium.

Kyle Walker, Raheem Sterling and Bernardo Silva are among the substitutes.

Man City XI: Ederson, Danilo, Otamendi, Kompany, Zinchenko, David Silva, Gundogan, De Bruyne, Mahrez, Aguero, Sane

Subs: Muric, Walker, Sterling, Silva, Mendy, Sandler, Foden

Image source, BBC Sport

Hammers boss Manuel Pellegrini also makes five changes to the West Ham side that beat Fulham 3-1 in their last league game.

Samir Nasri starts against his former club and Andy Carroll captains the visitors in the absence of Mark Noble, who drops to the bench.

Ryan Fredericks and Pedro Obiang also start, while 19-year-old full-back Ben Johnson is handed his Premier League debut.

West Ham XI: Fabianski, Johnson, Diop, Ogbonna, Fredericks, Rice, Antonio, Obiang, Nasri, Anderson, Carroll

Subs: Adrian, Zabaleta, Lanzini, Snodgrass, Noble, Hernandez, Diangana

Ian Dennis
Radio 5 live senior football reporter at the Emirates

Ahead of their only two Premier League games in March, crucial fixtures against Tottenham and Manchester United, Arsenal have to cash in against Bournemouth if they are to qualify for the Champions League.

Unai Emery was satisfied with his side's intensity against Southampton on Sunday, and their form at the Emirates is proving to be a solid foundation for a top four finish - only Manchester City have taken more points at home.

Eddie Howe has talked about the possibility of Bournemouth getting dragged into a relegation battle. Not since Portsmouth in 2006 has a team in the top flight lost eight consecutive away matches while conceding at least two goals in each.

Bournemouth won't go down but, with Manchester City at home on Saturday, Howe is wise not to be presumptuous.

Crystal Palace make just one change to the side that beat Leicester - and put Claude Puel out of a job - last time out.

Martin Kelly comes in for Mamadou Sakho.

Palace XI: Guaita, Ward, Tomkins, Kelly, Van Aanholt, McArthur, Milivojevic, Schlupp, Townsend, Batshuayi, Zaha.

Injury-hit Manchester United are without eight first team players, so forgotten man Fred gets a start in midfield.

Diogo Dalot and Alexis Sanchez also come in, while Ander Herrera, Juan Mata and Marcus Rashford drop out from the side that drew 0-0 against Liverpool on Sunday.

Youth team players Tahith Chong and James Garner are on the bench.

Man Utd XI: De Gea, Young, Smalling, Lindelof, Shaw, Dalot, Fred, McTominay, Pogba, Lukaku, Sanchez.

Fulham

Image source, Getty Images

Fulham manager Claudio Ranieri: "I know it's tough, but we must believe. We must continue to fight because I don't like players who give up.

"They train very well, which means they believe. We will fight together. If you fight, you may have a chance.

"I expect a lot of pressure, [Southampton] move the ball very quickly, they play directly. It's important for us to create chances to score goals."

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Chelsea manager Maurizio Sarri has dropped Kepa Arrizabalaga to the bench following their bizarre stand-off in Sunday's Carabao Cup final. Willy Caballero starts in goal.

That's one of four changes from the weekend for the hosts, as Marcos Alonso, Mateo Kovacic and Gonzalo Higuain come in for Emerson Palmieri, Ross Barkley and Willian.

Chelsea XI: Caballero, Azpilicueta, Rudiger, Luiz, Alonso, Kante, Jorginho, Kovacic, Pedro, Higuain, Hazard

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Tottenham boss Mauricio Pochettino also makes four changes as his side look to bounce back from defeat at Burnley

Kieran Trippier, Davinson Sanchez, Erik Lamela and Ben Davies earn starting places, at the expense of Serge Aurier, Juan Foyth, Jan Vertonghen and Danny Rose.

Tottenham XI: Lloris, Trippier, Sanchez, Alderweireld, Davies, Sissoko, Winks, Eriksen, Lamela, Kane, Son

Liverpool’s front three have all been directly involved in more than five goals each against Watford.

Mohamed Salah has six goals and one assist in three games, Sadio Mane has three goals and three assists in four games, and Roberto Firmino has five goals and three assists in seven games.

At least Watford don't have to worry about one of them tonight...

Image source, Getty Images

Mark Lawrenson
Ex-Liverpool defender

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Fulham were abysmal at the back against West Ham and, on that evidence alone, I have to go with a Southampton win here.

The Saints' revival under Ralph Hasenhuttl has hit the buffers a bit in the last few weeks, and this is the biggest game of their season - there is no doubt about that.

Lawro's prediction: 2-1

A big call to drop Kepa Arrizabalaga tonight. The right one?

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It's three changes and two changes at St Mary's.

Southampton make three changes from the side beaten at Arsenal as Jack Stephens, Matt Targett and Stuart Armstrong miss out, with Maya Yoshida, Charlie Austin and Ryan Bertrand coming in.

For Fulham, Jean Michael Seri and Ryan Sessegnon do not survive following the loss at West Ham. They are replaced by Andre Zambo Anguissa and Kevin McDonald.

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Roberto Firmino is left out of the Liverpool squad after picking up an injury in the draw at Old Trafford. Divock Origi starts in his place.

Fred starts for Manchester United, while Marcus Rashford has to settle for a place on the bench after playing through a knock against Liverpool.

Full team news to come.

Chelsea

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Will he? Won't he?

The big news is that Kepa has been dropped from from the Chelsea team, with Willy Caballero starting in goal instead.

Well, that's what the team sheet says. Who knows what Kepa will decide to do...

Full team news to come.