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There was little Arsenal's defence could do about Jack Collison's strike on goal.
GK Wojciech Szczesny (6/10)
Beaten by a super strike from Jack Collison, Szczesny then found himself having a relatively relaxed evening.
DR Bacary Sagna (7/10)
After his Stamford Bridge nightmare, Bacary Sagna should have been delighted to get back to something like his usual self against West Ham.
As the West Ham defence tired, he was able to provide a constant outlet on the right side, allowing Theo Walcott make runs in-field.
CB Thomas Vermaelen (7/10)
Before succumbing to injury, Thomas Vermaelen was enjoying a steady, if not unspectacular game at centre-half.
Arsenal fans will be hoping his injury is not a serious one—they are now just one injury away from seeing Sebastien Squillaci in the first team in the Belgian's stead.
CB Per Mertesacker (7/10)
In the first half, Per Mertesacker seemed to be struggling with Carlton Cole's physical approach. Nevertheless, he overcame those difficulties and, like the rest of the Arsenal defence, had a very comfortable second period.
One aspect of Mertesacker's game that is often overlooked is his willingness to receive the ball from the goalkeeper and begin Arsenal's passing moves. This important role as an instigator of attacks really came to the fore as the Gunners began to dominate possession.
DL Kieran Gibbs (8/10)
Kieran Gibbs is quickly becoming one of the first names on the Arsenal team sheet. It's amazing to think that last season the battle between he and Andre Santos was relatively close. Now, there is a gulf between them.
Gibbs' stamina is quite incredible. He spent this game tearing up and down the left flank in support of Lukas Podolski. His speed and close control around the opponent's penalty box made him a constant attacking threat. Defensively, he was untroubled.
CB Laurent Koscielny (6/10)
Laurent Koscielny slotted in alongside Per Mertesacker and used his pace and positional intelligence to guarantee there would be no chance of an improbable West Ham revival.