Arsenal vs Klon 3-1 Highlights & Goals 15 September 2017. <br />0-1 Cordoba <br />1-1 Kolasinac <br />2-1 Alexis Sanchez <br />3-1 Bellerin <br /> <br />ARSENAL 3 COLOGNE 1: SANCHEZ OPENS SEASON ACCOUNT AFTER KICK-OFF DELAY <br /> <br />Talisman Alexis Sanchez helped Arsenal come from behind to beat Cologne 3-1 in a Europa League game delayed due to crowd congestion. <br /> <br />Alexis Sanchez put his off-field problems aside to help Arsenal kick off their Europa League Group H campaign with a 3-1 over Cologne following a one-hour delay due to crowd congestion. Sanchez has cut a frustrated figure this season having seen a move to Manchester City fall through, but his moment of quality proved decisive on a bizarre Thursday night at the Emirates Stadium.