ST ALBANS, ENGLAND - APRIL 08: (L-R) Per Mertesacker and Alexis Sanchez of Arsenal during a training session at London Colney on April 8, 2016 in St Albans, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)
ST ALBANS, ENGLAND - APRIL 08: (L-R) Per Mertesacker and Alexis Sanchez of Arsenal during a training session at London Colney on April 8, 2016 in St Albans, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)