Sunderland 1-3 Arsenal Highlights
Aaron Ramsey scored twice as Arsenal beat bottom club Sunderland, who had boss Paolo Di Canio sent off.
Arsenal debutant Mesut Ozil set up Olivier Giroud for an early goal, with Craig Gardner equalising from the spot after the break.
But after Ramsey volleyed in, Di Canio was infuriated when Jozy Altidore was denied a leveller after referee Martin Atkinson failed to play an advantage.
Ramsey scored a fine second as Arsenal moved to the Premier League summit.
Watch English Premier League match, Sunderland Vs Arsenal highlights here.