Manchester City legend David Silva retires at 37 due to knee injury

David Silva announced his retirement from football after suffering a serious knee injury in training with Real Sociedad.
Silva had a successful career, winning titles with Valencia, Manchester City, and the Spanish national team.
He was a key player in Spain's 2008, 2010, and 2012 trophy winning sides.
Silva won four Premier League titles with Manchester City and has a statue outside their stadium.
He had planned to continue playing for Real Sociedad but the knee injury forced him to end his career.