ST ALBANS, ENGLAND - FEBRUARY 1: (L-R) Mesut Ozil, Gabriel, Alexis Sanchez and Theo Walcott of Arsenal during a training session at London Colney on February 1, 2016 in St Albans, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)
ST ALBANS, ENGLAND - FEBRUARY 1: (L-R) Mesut Ozil, Gabriel, Alexis Sanchez and Theo Walcott of Arsenal during a training session at London Colney on February 1, 2016 in St Albans, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)