Arsenal began the second half as it ended the first .
Monreal went some way to redeeming himself by supplying the cross for Walcott to restore Arsenal 's lead in the 53rd after good work from Sanchez and Ozil .
Arsenal began the second half as it ended the first and Monreal went some way to redeeming himself by supplying the cross for Walcott to restore Arsenal 's lead in the 53rd after good work from Sanchez and Ozil .