The Spain international scored in the club's 4-0 win against Maccabi Tel-Aviv in the Champions League on Wednesday and is looking forward to taking on the Gunners.
Diego Costa says that Chelsea's game against Arsenal gives the club the perfect opportunity to arrest its early-season slump.
The Blues thrashed Maccabi Tel-Aviv 4-0 in the Champions League on Wednesday, the Spaniard scoring the third goal with a sublime volley.
Jose Mourinho's men have struggled domestically, however, and languish in 17th place, having taken just four points from the opening five games.