Arsenal's Nacho Monreal (left) celebrates his goal with Shkodran Mustafi during the League Cup semis against Chelsea. PIC/AFP

Arsene Wenger revealed a sense of unfinished business with the League Cup after Arsenal reached next month's final at Wembley with a 2-1 defeat of Chelsea. In their first fixture since the Alexis Sanchez's transfer to Manchester United, Arsenal impressed at The Emirates through an own goal from Antonio Rudiger and Granit Xhaka's finish after Eden Hazard had given Chelsea the lead.