Sagna is down and recieving treatment inside his own penalty area as this game enters its final moments.

Anelka collects the ball off Malouda and shapes to shoot at goal, only for Rosicky to get in his way.

Four minutes of added time will be played at the end of this game, with the points heading back to Stamford Bridge.

The ball falls to Sagna inside the Chelsea half and the defender tries his luck from distance, only for his shot to go miles wide of the target.

Walcott gets a chance to impress again, but his cross towards Vela is far too heavy and goes out of play.

Walcott fails to beat Ferreira after collecting the ball from Fabregas and eventually fouls the Chelsea defender.

Not only will Chelsea move 11 points clear of Arsenal if they hold on to the win, but they will extend their lead over 2nd placed Manchester United to 8 points.

Essien attempts to play Drogba through on goal, but Gallas gets their first. Arsenal need the ball at the other end.

Lampard finds space in the Arsenal penalty area, but he can't quite get the touch on the ball to move past the final Arsenal defender.

60,067 is the attendance at The Emirates today - can they be rewarded with an Arsenal comeback?

Gallas looks to exchange passes with Fabregas, but the return ball isn't good enough and the move breaks down.

Rosicky does well to thread the ball through to Walcott inside the penalty area who then finds Arshavin, only for the move to be ended when Carvalho gets himself in the way.

Vela turns well and squares the ball to Fabregas who watches on as his shot is scrambled away by Cech.

The resulting free-kick is smashed into the Chelsea wall by Vermaelen and is eventually cleared by the away side.

Arsenal will still consider themselves in this game. They just need to score with any sort of time remaining to put Chelsea under pressure.

Fabregas sends Walcott away on the right hand side who dinks the ball into the penalty area only for the assistant referee to raise his flag for offside.

Arsenal break forward with pace, but the move ends poorly as Sagna's cross avades everybody in the penalty area.

Drogba curls a shot towards goal which deflects of Lampard before forcing an excellent diving save from Almunia.

Another free-kick for Arsenal is whipped in by Nasri towards Fabregas who heads the ball down just beyond the reach of Gallas inside the area.

Free-kick for the home side is knocked high into the penalty area and is punched away well by Cech.

Fabregas takes too long to knock the ball out wide to Walcott and Joe Cole slides in to win possession off the Arsenal skipper.

Arsenal have only won twice in their last 14 competitive games with Chelsea and as thing stands, this record isn't going to improve.

Cech plucks Sagna's cross from the air under pressure from Arshavin as another Arsenal attack comes to nothing.

Nothing comes from Fabregas' corner as Chelsea defend well to clear their lines.

Arshaving drills a powerful cross into the box which deflects behind of Ashley Cole for an Arsenal corner.

Eduardo gives the ball away as Arsenal look to push forward. The striker isn't having the best of games it has to be said.

Walcott gets possession in space the first time, but he fails to do anything productive as the ball gets caught under his feet.

Fabregas looks to find Eduardo with an ambitious ball through, but Terry is there once again to deal with the situation for Chelsea.

A mad scramble inside the Chelsea penalty penalty area results in Arshavin eventually bundling the ball home before the referee gives a free-kick to the away side. No goal.

Nasri's low cross is headed away by a diving Terry. Arsenal have started the second period well, much like they did the first.

Eduardo moves into the Chelsea penalty area, but his touch lets him down and Ashley Cole does enough to end any danger.

Drogba has now scored 9 goals in his last 9 games against Arsenal.

Pereira Neves Denilson plays a delicate ball through into the path of Eduardo who is just beaten to it by a sliding Cech.

Joe Cole does well on the left hand side to find some space and knock in a decent cross which Drogba heads wide.

Arsenal attempt one too many passes on the edge of the penalty area and Arshavin loses possession for his side.

Drogba uses his strength to move past Alexandre Song only for his final ball to let him down as he chooses the wrong pass.

As for Chelsea, they are searching for their 5th successive league win.

Arsenal have only failed to score once in their last 21 fixtures - against Sunderland last weekend.

Joe Cole gets on the ball properly for the first time, but despite moving past two Arsenal defenders, the eventual cross is disappointing.

Fabregas wins the ball off John Obi Mikel and feeds Eduardo, but the Chelsea man makes up for his mistake by successfully challenging the Arsenal striker.

Arsenal are enjoying the majority of possession at present, but they will want to make it count by scoring the opening goal.

Arsenal hit Chelsea on the counter attack through Arshavin who exchanges passed with Eduardo before forcing a diving save from Cech.

The Arsenal defender makes amends though as he clears away the resulting free-kick.

Sagna finds some space on the right wing before whipping in a dangerous looking cross which is headed away by Branislav Ivanovic.

Samir Nasri shows excellent skill to beat to Chelsea players before his shot lets him down and is comfortably saved by Cech.

The resulting corner is taken by Lampard into the penalty area and the ball eventually falls to the corner taken again to causes no problems for Manuel Almunia with his shot.

Lampard knocks in a free-kick for Chelsea in a dangerous position which is dealt with well by Vermaelen. Corner to the visitors.

Some brisk passing from Arsenal helps them push into the final third again, Eduardo tries an ambitious back heel though and the move breaks down.

Sagna certainly had his arms all over Anelka in that latest attack, but no Chelsea player appeals for a penalty.

Lampard threads the ball through to Anelka who goes down under the challenge of Sagna before the ball falls to Lampard again who fires wide.

Corner for the home side is whipped in by Fabregas only for it to be comfortably collected by Cech in the Chelsea goal.

Thomas Vermaelen shows his strength to win the ball before bursting forward with purpose to launch another Arsenal attack.

Ashley Cole is getting plenty of stick from the Arsenal fans in the opening few minutes. It will be interesting to see how he handles it.

Traore does well to prevent Nicolas Anelka making something happen as the Chelsea striker is forced to turn possession back into his own half.

Arsenal push forward again, but Eduardo's touch lets him down and Chelsea are able to deal with proceedings comfortably.

Arsenal have been the better of the two sides so far. They work the ball well until Andrey Arshavin's attempt to thread the ball through to Eduardo fails to find its target.

Today is a huge game for both teams. If Arsenal win they can go to within 5 points of the league leaders. If Chelsea win though, they can stretch their lead over the Gunners to 11 points.

Armand Traore does well to find space for himself down the left hand side, only to take one touch too many in the penalty area and lose the ball to Petr Cech.

An Arsenal corner is taken by Fabregas, but it fails to beat Lampard on the near post who clears away.

Chelsea lose the ball in the middle of the park and Arsenal take advantage by breaking quickly through Eduardo who turns well before being tackled by Ricardo Carvalho.

There is a break in play at the moment as Da Silva Eduardo recieves treatment after a challenge from Michael Essien.

Cesc Fabregas goes in heavily on Frank Lampard to award Chelsea a free-kick. It will be a huge battle between these two in midfield.

Speaking of Drogba, he normally enjoys this fixture a great deal. He has scored 8 goals in his last 8 games against Arsenal.

Didier Drogba looks to beat the offside trap early on, but fails to as the Arsenal defence holds its line.

Today sees the team with the most goals in the league (Arsenal) come up against the team that has conceded the least (Chelsea).