|Samir Nasri (Bacary Sagna, 75)|
|Pereira Neves Denilson|
|Andrey Arshavin (Da Silva Eduardo, 84)|
|Nicklas Bendtner (Vassiriki Abou Diaby, 58)|
West Ham United
|Radoslav Kovac (Mark Noble, 70)|
|Luis Guillermo Franco (Carlton Cole, 57)|
|Ahmed Hossam Mido (Benni McCarthy, 75)|
The final whistle is blown. West Ham missed a real chance to aid their relegation fight and Arsenal survived some nervous moments to hit the top of the league table.
Three minutes of stoppage time will be played.
West Ham know they are beaten and it is Arsenal who are again bossing possession.
Da Silva Eduardo replaces Andrey Arshavin.
Fabregas tucks home the penalty. Arsenal can relax now.
Upson handles as Fabregas bursts into West Ham's box.
West Ham are nearly level - Cole wriggles free from Song and fires a low left-footed shot off the edge of Almunia's righthand post.
Good work by Diaby releases Arshavin, but the Russian's shot is weak and straight at Green.
A good cross by Spector is met by McCarthy, but his header is well off-target.
Bacary Sagna comes on for Samir Nasri.
Mido is replaced by Benni McCarthy.
Campbell heads at goal from a Nasri free-kick, but is penalised for a foul on Mido.
A free-kick 30 yards out is rather wasted by Fabregas - his chipped cross is easily headed clear.
Radoslav Kovac makes way for Mark Noble.
A fine pass by Diamanti to Mido gives West Ham a sight of goal, but Junior Stanislas is crowded out from Mido's lay-off.
West Ham are enjoying their best spell of the match but cannot create a clear chance.
Fabregas fires the free-kick well wide.
A fine weaving run by Eboue is ended by Matthew Upson, who deservedly goes into the book.
Diamanti curls a low shot towards Almunia's nottom right hand corner from 20 yards, but it is a regulation save for the Arsenal keeper.
Arsene Wenger responds with a defensive move, sending on Vassiriki Abou Diaby for Nicklas Bendtner.
Gianfranco Zola makes the first change as Carlton Cole replaces Luis Guillermo Franco.
Denilson lets fly from 30 yards and wins a corner via a Jonathan Spector block. The corner is eventually claimed by Green.
A good surging run by Fabio Daprela takes him into Arsenal's box where he goes down, but he won't get the penalty he is looking for.
Valon Behrami is caught late by Arshavin and takes some time to get back to his feet.
Song is capable of playing centre half and is currently filling in alongside Campbell.
The first chance of the half is Arsenal's, Arshavin heading over from an Eboue cross. He should have done better.
There are no changes at the break as the game restarts.
Radoslav Kovac is booked for a foul on Fabregas.
Almunia appeared to be off his line in saving the penalty, adding more controversy to the match's main talking point.
A dramatic end to the half means there is much to play for after the break. Arsenal should be in full control but are somehow relieved to be one up after the penalty save.
Vermaelen is off for an early bath but Diamanti's spot kick is well saved by Almunia!
Thomas Vermaelen brings down Franco in the Arsenal box and sees red for a professional foul.
Clichy and Fabregas combine well down the left wing and another inviting ball across drifts across the West Ham six yard box.
Sol Campbell hacks down Junior Stanislas and goes into the book.
Alessandro Diamanti is booked for fouling Nicklas Bendtner.
Good work by Nasri wins Arsenal a corner but a foul by Campbell means it comes to nothing.
Bendtner feeds Eboue through the inside right channel and a low cross nearly finds Arshavin arriving late at the back post.
The match has got a bit scrappy, which will perhaps suit West Ham - the visitors are happy to play on the break.
West Ham have a better foothold in the game now having managed to restrict the space available to Arsenal's midfielders.
Fabregas feeds Nasri with a quick free-kick but the Frenchman overhits a pass with Bendtner clean through.
Superb one-touch interplay nearly gets Fabregas in, but the final pass from Bendtner is a poor one.
Emmanuel Eboue picks up a loose ball and is in two minds after being allowed to enter the West Ham box and eventually scuffs a weak shot wide.
Samir Nasri is trying to run-off a knock he picked up early on but seems fine to continue at the moment.
Robert Green palms away a Fabregas free-kick from the Gunners' left flank.
Poor positioning by Campbell lets in Junior Stanislas and a good low cross nearly finds the sliding Mido at the back post.
Andrey Arshavin does well to cross from the Arsenal left, but James Tomkins beats Bendtner to the ball to clear.
Arsenal are bossing possession and are camped in the Hammers' half.
Considering their poor away record West Ham might have a long evening ahead of them against in-form Arsenal.
Alessandro Diamanti's effort from the resulting free-kick is a decent one, the ball flying a yard over Manuel Almunia's crossbar.
Sol Campbell fouls Luis Guillermo Franco in a dangerous area.
Arsenal score with their first attack, Denilson pouncing on a loose ball and curling home after a sharp one-two with Nicklas Bendtner.
West Ham have held their own in the early stages, showing a desire to get forward.
Referee Martin Atkinson gets play underway at the Emirates.
Arsenal are aiming for a sixth straight league win and are unbeaten in their last five league matches against West Ham.
Gianfranco Zola makes four changes, Alessandro Diamanti, Junior Stanislas, James Tomkins and Luis Guillermo Franco all coming back in.
Arsenal know a win will take them to the top of the Premier League table and are able to recall captain Cesc Fabregas. Alexandre Song also returns.