Sergio Martinez undergoes surgery to repair right knee and ankle --
Middleweight champion Sergio Martinez underwent a surgery o repair his right ankle and knee, which were injured during his title fight against WBC middleweight champion Julio Cesar Chavez Jr. Martinez defeated Julio Cesar Chavez to become the WBC middleweight champion.
Spain midfielder Javi Martinez hurt an ankle in training and may be unavailable for the European champions' quarterfinal against Paraguay on Saturday.