Arsenal 1-2 Chelsea: Mikel Arteta admits Gunners need to improve 'many things'

Arsenal manager Mikel Arteta admits his side are physically "not at the same level" as opponents Chelsea, after the Blues staged a late comeback to snatch victory from the Gunners to wreck Arteta's return to Emirates Stadium.

MATCH REPORT: Arsenal 1-2 Chelsea

Watch highlights of Sunday's Premier League action on Match of the Day 2 from 22:30 GMT on BBC One and BBC iPlayer.