▁most ▁notable ▁for ▁a ▁touch line ▁f rac as ▁that ▁occurred ▁between ▁the ▁man agers ▁in ▁the ▁technical ▁area ▁during ▁the ▁fier ce ▁match . ▁ ▁On ▁ 2 ▁August ▁ 2 0 1 5 , ▁W enger ▁finally ▁recorded ▁a ▁win ▁against ▁M our inho , ▁defe ating ▁Ch else a ▁ 1 – 0 ▁in ▁the ▁ 2 0 1 5 ▁FA ▁Community ▁Sh ield . ▁ ▁On ▁ 2 4 ▁September ▁ 2 0 1 6 , ▁Ar sen al ▁beat ▁Ch else a ▁ 3 – 0 ▁at ▁the ▁Em ir ates ▁Stadium . ▁It ▁was ▁the ▁first ▁time ▁Ar sen al ▁scored ▁against ▁Ch else a ▁since ▁ 2 0 1 3 , ▁and ▁Ar sen al ' s ▁first ▁win ▁over ▁The ▁Blues ▁since ▁ 2 0 1 1 ▁in ▁the ▁Premier ▁League . ▁All ▁three ▁goals ▁were ▁scored ▁in ▁the ▁first ▁half ▁by ▁Alex is ▁S ánchez , ▁The o ▁Wal c ott ▁and ▁Mes ut ▁Ö zil . ▁It ▁was ▁Ar sen al ' s ▁biggest ▁win ▁over ▁Ch else a ▁since ▁ 1 9 9 7 . ▁ ▁On ▁ 4 ▁February ▁ 2 0 1 7 , ▁Ch else a ▁beat ▁Ar sen al ▁ 3 – 1 . ▁Form er ▁Ar sen al ▁captain ▁C esc ▁F à bre gas ▁scored ▁Ch else a ' s ▁third ▁goal . ▁ ▁The ▁two ▁teams ▁have ▁met ▁in ▁the ▁ 2 0 1 7 ▁FA ▁Cup ▁Final , ▁where ▁Ar sen al ▁won ▁their