The Calderon vs Mayol Rematch was again cut short due to another accidental headbutt acquired by the defending champion Ivan "Iron Boy" Calderon in last night's boxing event "The Undefeated Champions" held in Puerto Rico.
The Calderon vs Mayol Rematch was the main and featured event in the Undefeated Champions.
Watch Calderon vs Mayol Replay in some boxing networks and websites.
