Alexis Sanchez started things off with a brilliant chipped goal,Theo Walcott added another beauty and Ozil,having had enough of assists last year,went and scored a hat trick.Alex Oxlade-Chamberlain was the other goal scorer.
Arsenal are undefeated in the 11 matches,their last defeat was at home to Liverpool on the opening day of the Premier League season.
No wonder Wenger is beaming.
Highlights ..