Gunners, which had opened the score by Alexis Sanchez in the 37th minute, made the break by Rosicky 65th before the penalty of Austin for a fault of Debuchy.
And if Flamini saved on its (89th) line, Arsenal did not crack under the pressure of the neighbor of London. With this success, the formation of Wenger remains 6th but got closer to a point of West Ham 5th.