ST ALBANS, ENGLAND - JULY 04: (L-R0 Petr Cech and Theo Walcott of Arsenal before a training session at London Colney on July 4, 2017 in St Albans, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)
ST ALBANS, ENGLAND - JULY 04: (L-R0 Petr Cech and Theo Walcott of Arsenal before a training session at London Colney on July 4, 2017 in St Albans, England. (Photo by Stuart MacFarlane/Arsenal FC via Getty Images)