SUNDERLAND, ENGLAND - JULY 04: Jeremain Lens during the first day of Sunderland Pre-Season training at The Academy of Light on July 4, 2016 in Sunderland, England. (Photo by Ian Horrocks/Sunderland AFC via Getty Images)
SUNDERLAND, ENGLAND - JULY 04: Jeremain Lens during the first day of Sunderland Pre-Season training at The Academy of Light on July 4, 2016 in Sunderland, England. (Photo by Ian Horrocks/Sunderland AFC via Getty Images)