amp ard , ▁John ▁Terry ▁and ▁Juan ▁M ata ▁scored ▁the ▁goals ▁for ▁Ch else a . ▁ ▁On ▁ 2 2 ▁March ▁ 2 0 1 4 , ▁in ▁Ar s ène ▁W enger ' s ▁ 1 , 0 0 0 th ▁game ▁in ▁charge , ▁Ch else a ▁won ▁ 6 – 0 . ▁This ▁marked ▁the ▁most ▁goals ▁Ch else a ▁had ▁scored ▁against ▁Ar sen al , ▁Ch else a ' s ▁biggest ▁margin ▁of ▁victory ▁against ▁Ar sen al ▁and ▁the ▁joint ▁heav iest ▁margin ▁of ▁defeat ▁suffered ▁by ▁W enger ▁at ▁Ar sen al . ▁Notable ▁inc idents ▁in ▁the ▁match ▁included ▁Ch else a ▁jump ing ▁out ▁to ▁a ▁three - goal ▁lead ▁inside ▁of ▁ 1 5 ▁minutes , ▁as ▁well ▁as ▁the ▁sending ▁off ▁of ▁K ier an ▁Gib bs ▁by ▁ref eree ▁Andre ▁Mar r iner ▁for ▁a ▁hand ball ▁committed ▁by ▁his ▁team mate ▁Alex ▁Ox lade - Ch am ber lain . ▁ ▁On ▁ 5 ▁October ▁ 2 0 1 4 , ▁Ch else a ▁beat ▁Ar sen al ▁ 2 – 0 , ▁which ▁meant ▁Ar sen al ▁manager ▁W enger ▁had ▁not ▁won ▁against ▁José ▁M our inho ▁in ▁twelve ▁attempts . ▁This ▁game ▁also ▁featured ▁former ▁Ar sen al ▁captain ▁C esc ▁F à bre gas ▁playing ▁against ▁his ▁former ▁club ▁for ▁Ch else a ▁for ▁the ▁first ▁time , ▁recording ▁an ▁assist ▁on ▁Diego ▁Costa ' s ▁goal . ▁The ▁match , ▁however , ▁is