Chavez Jr. will have to agree to drug testing for Sergio Martinez rematch, says adviser

By Chris Williams: If Top Rank promoted former WBC middleweight champion Julio Cesar Chavez Jr. (46-1-1, 32 KO's) wants an opportunity to try and avenge his loss to Sergio Martinez (50-2-2, 28 KO's) in rematch later on this year then Chavez Jr. will have to agree to Olympic style random blood testing for the fight,