CHAMPIONS LEAGUE DEBUT: 1994
TEAM(S): Manchester United
The kid they once called Boy Wonder has become the ageless wonder without missing a beat. Seriously, we're pretty sure Giggs participated in the Champions League's inaugural 1955 season. And since that time he's been critical to Manchester United's remarkable success in England and the Champions League, helping Sir Alex Ferguson's squad to two CL crowns en route to making Man U one of the richest and most famous clubs in the world.