Argentinian forward Lionel Messi (L) is challenged by Nigerian defender Chibuzor Okonkwo during the

Argentinian forward Lionel Messi (L) is challenged by Nigerian defender Chibuzor Okonkwo during the men's Olympic football final Argentina vs. Nigeria at the national stadium in Beijing during the 2008 Beijing Olympic games on August 23, 2008. Argentina won 1-0. AFP PHOTO / ADRIAN DENNIS