NEWCASTLE UPON TYNE, ENGLAND - JULY 1: New signing Dwight Gale (L) Siem de Jong (C) and Aleksandar Mitrovic (R) speak with Sports Scientist Jamie Harley before the fitness testing on the first day back at The Newcastle United training Centre on July 1, 2016 in Newcastle upon Tyne, England. (Photo by Serena Taylor/Newcastle United via Getty Images)
