EVIAN-LES-BAINS, FRANCE - JUNE 29: Shkodran Mustafi of Germany at the gym prior to a Germany training session at Ermitage Evian on June 29, 2016 in Evian-les-Bains, France. (Photo by Alexander Hassenstein/Getty Images)
EVIAN-LES-BAINS, FRANCE - JUNE 29: Shkodran Mustafi of Germany at the gym prior to a Germany training session at Ermitage Evian on June 29, 2016 in Evian-les-Bains, France. (Photo by Alexander Hassenstein/Getty Images)