Attacking minded Manuel Lanzini comes off, defensively minded Pedro Obiang on. Slaven Bilic not throwing men forward with his side 2-1 ahead at Stamford Bridge.

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As well as being the team with the best away record, Leicester have also won 12 games by one goal this season. Also a record this season. Meanwhile Bakary Sako and Kasper Schmeichel resume their rivalry. Another shot from the Palace forward but the Leicester keeper punches away. The Foxes are under a bit of pressure now. 

Martin Keown
Former Arsenal defender on Final Score

"It looks like Alan Pardew has aged by five years during the course of this game!

"Palace are as desperate for the points as Leicester, for completely different reasons. This has been such an honest game."

Image source, BBC Sport_Opta

Swansea make three changes from their 3-2 defeat at Brighton with left-back Stephen Kingsley, midfielder Ki Sung-yueng and striker Bafetimbi Gomis replacing Neil Taylor, Wayne Routledge and Alberto Paloschi.

Swansea XI: Fabianski, Rangel, Fernandez, Williams (C), Kingsley, Cork, Ki, Fer, Barrow, Sigurdsson, Gomis.  

Image source, BBC Sport_Opta

Aston Villa manager Remi Garde makes just one change from their 2-0 loss against Tottenham, with Ciaran Clark replacing Jores Okore at centre-back.

Aston Villa XI: Guzan; Hutton, Clark, Lescott, Cissokho; Veretout, Westwood, Gueye, Gil; Ayew, Gestede.

You can see Andy Carroll screaming, "MINEEEE" as he leaps to get his head on the end of Dimitri Payet's corner but the Englishman's header is pushed away by Thibaut Courtois.

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Leicester bouncer, I mean defender, Robert Huth is up for a corner and has his shirt ripped off his back by Scott Dann. Nowt doing, says the ref, and that's all that matters. 

As mentioned, West Ham will get joy on the break and almost get a third but Dimitri Payet's curler goes over.

Image source, Reuters

Palace need inspiration and Palace bos Alan Pardew throws caution to the wind. Forward Dwight Gayle is on for midfielder Joe Ledley. And why not? 

How many chances do Chelsea want??

This time John Terry climbs highest in the box to head Cesc Fabregas's corner over the bar. The fans in the stands seeing plenty of the ball there, they've had to work more than West Ham goalkeeper Adrian has had to.

Image source, Rueters

Maybe a set-piece can give Watford a lifeline? Etienne Capoue delivers but Jack Butland is out to gather at this own feet. Down the other end Marko Arnautovic cannot get on the end of a nice through ball. Petering out, this one. 

ANOTHER Cesc Fabregas chance. The Spaniard's acrobatic overhead kick from the penalty spot goes flying over the bar.

West Ham holding on.

Image source, Getty Images

Can you spot the similarity, readers?

Image source, Getty Images

Image source, Getty Images

Brighton look like leapfrogging Middlesbrough into second after Tomer Hemed got his second of the game at MK Dons

Leaders Burnley are still 0-0 at home to Wolves.

Shinji Okazaki is off for Leicester and Leonardo Ulloa is on in his place. 

Cesc Fabregas heads over the crossbar for Chelsea from around six-yards out. He should have buried it.

West Ham still lead and will find openings going forward as Chelsea look to gain a point.

Bakary Sako once again shows how he might be the man to grab a Palace equaliser. This time he pops up on the right, cuts inside and smacks a low shot which Kasper Schmeichel does well to gather. A bit more enterprise from Alan Padew's team.