ST ALBANS, ENGLAND - SEPTEMBER 27: (L-R) Lucas Perez, Nacho Monreal, Santi Cazorla, Hector Bellerin, and Gabriel of Arsenal warm up during an Arsenal training session ahead of the Champions League Group A match between Arsenal and Basel at London Colney on September 27, 2016 in St Albans, England. (Photo by Mike Hewitt/Getty Images)
