Friday night in Tijuana, Mario Cazarez scored an upset victory over Julio Cesar Chavez Jr. in a light heavyweight contest. The fight was stopped in the sixth round due to a cut over Chavez's left eye. After this fight was halted, it went to the scorecards and it was Cazares ahead on all three cards: 57-56, 59-54, 57-56. Earlier in the night, Julio Cesar Chavez Sr. and Jorge Arce put on an entertaining four round exhibition bout that saw plenty of heated exchanges.