Every year at Athletic Club's iconic San Mamés stadium in Bilbao, local supporters gather to celebrate not just their own players, but those from other clubs who embody the unique value of 'loyalty'.Famous for its tradition of fielding only players born or raised in the region, Athletic Club launched the 'One-Club Award' in 2015. This award honors players who have dedicated their entire professional careers to a single team.Dan Parry of the La Liga club's communications department says, 'We wanted to establish an award that honors the dream of many growing children to play for just one club.'He adds, 'On...