![Mexico's Pumas UNAM soccer team player Ailton da Silva, from Brazil, celebrates after scoring a goal against Bolivia's The Strongest during a cuarter-final match valid for the Libertadores Cup in La Paz, Mexico's Pumas UNAM soccer team player Ailton da Silva, from Brazil, celebrates after scoring a goal against Bolivia's The Strongest during a cuarter-final match valid for the Libertadores Cup in La Paz,](https://c8.alamy.com/comp/2PDP38A/mexicos-pumas-unam-soccer-team-player-ailton-da-silva-from-brazil-celebrates-after-scoring-a-goal-against-bolivias-the-strongest-during-a-cuarter-final-match-valid-for-the-libertadores-cup-in-la-paz-bolivia-on-wednesday-oct-5-2005-ap-photodado-galdieri-2PDP38A.jpg)
Mexico's Pumas UNAM soccer team player Ailton da Silva, from Brazil, celebrates after scoring a goal against Bolivia's The Strongest during a cuarter-final match valid for the Libertadores Cup in La Paz,
![Mexico's Pumas Ailton Da Silva, right, fights for the ball with Argentina's Velez Sarsfield Maximiliano Bustos at the Universitary Stadium in Mexico City, Mexico, on Wednesday Nov. 30, 2005 during qualifiying game Mexico's Pumas Ailton Da Silva, right, fights for the ball with Argentina's Velez Sarsfield Maximiliano Bustos at the Universitary Stadium in Mexico City, Mexico, on Wednesday Nov. 30, 2005 during qualifiying game](https://l450v.alamy.com/450v/2pdgh4t/ailton-da-silva-of-mexicos-pumas-play-with-the-ball-during-a-training-session-in-buenos-aires-saturday-dec-17-2005-pumas-will-face-argentinas-boca-juniors-in-the-finals-of-the-sudamerican-cup-soccer-championship-on-sunday-dec-18-2005-ap-photodaniel-luna-2pdgh4t.jpg)
Mexico's Pumas Ailton Da Silva, right, fights for the ball with Argentina's Velez Sarsfield Maximiliano Bustos at the Universitary Stadium in Mexico City, Mexico, on Wednesday Nov. 30, 2005 during qualifiying game
![Pumas soccer player Ailton da Silva, right, kicks the ball as Tecos player Eduardo Lillingston tries to block him at University Stadium Sunday Nov. 16, 2003, in Mexico City. Pumas and Tecos Pumas soccer player Ailton da Silva, right, kicks the ball as Tecos player Eduardo Lillingston tries to block him at University Stadium Sunday Nov. 16, 2003, in Mexico City. Pumas and Tecos](https://c8.alamy.com/comp/2PF3TYN/pumas-soccer-player-ailton-da-silva-right-kicks-the-ball-as-tecos-player-eduardo-lillingston-tries-to-block-him-at-university-stadium-sunday-nov-16-2003-in-mexico-city-pumas-and-tecos-tied-2-2-in-mexicos-first-division-tournament-ap-photojose-luis-magana-2PF3TYN.jpg)
Pumas soccer player Ailton da Silva, right, kicks the ball as Tecos player Eduardo Lillingston tries to block him at University Stadium Sunday Nov. 16, 2003, in Mexico City. Pumas and Tecos
![Mexicos Pumas UNAM soccer team player Ailton da Silva, from Brazil, celebrates after scoring a goal against Bolivia's The Strongest during a quarter-final match for the Libertadores Cup in La Paz, Bolivia Mexicos Pumas UNAM soccer team player Ailton da Silva, from Brazil, celebrates after scoring a goal against Bolivia's The Strongest during a quarter-final match for the Libertadores Cup in La Paz, Bolivia](https://c8.alamy.com/comp/2PDP39P/mexicos-pumas-unam-soccer-team-player-ailton-da-silva-from-brazil-celebrates-after-scoring-a-goal-against-bolivias-the-strongest-during-a-quarter-final-match-for-the-libertadores-cup-in-la-paz-bolivia-on-wednesday-oct-5-2005-ap-photodado-galdieri-2PDP39P.jpg)