Three-weight world champion John Riel Casimero has stopped six of his last seven opponents, but Paul Butler has said he is not facing the next Manny Pacquiao on Saturday.
Manny Pacquiao, second chances and new boxing brain: Paul Butler looks for upset win in world title shot
Three-weight world champion John Riel Casimero has stopped six of his last seven opponents, but Paul Butler has said he is not facing the next Manny Pacquiao on Saturday.
