Answer
Samuel Eto'o and Clarence Seedorf are the only players in football history to have won the UEFA Champions League with three different clubs. Seedorf won the competition with Ajax in 1994–95, Real Madrid in 1997–98, and Milan in 2002–03, while Eto'o won it with Barcelona in 2005–06, Inter Milan in 2009–10, and Milan in 2011–12