European champion AC Milan forward Kaka (3-L) celebrates the team's victory over South American champion Boca Juniors in the final match of the Club World Cup Japan 2007 in Yokohama, 16 December 2007. AC Milan beat Boca Juniors by 4-2 to win the Club World Cup.       AFP PHOTO / TOSHIFUMI KITAMURA (Photo credit should read TOSHIFUMI KITAMURA/AFP/Getty Images)