He doesn't but people get overly-excited about Golden Panties' punching 'power'. He does not hit that hard. Pretty brutal left hook but it's more in the execution that force. When he was a welterweight he was not regarded as a big puncher. Some how as he's gone into the higher weight and become inactive he's developed a reputaton as a banger.
He's always had big power in the left hook, but that's it. You don't drop Mayorga in the first round without having big power.
"You don't drop Mayorga in the first round without having big power." Actually...I think that was the damage done by Tito more than anything. Oscar loves feasting on Tito leftovers... I don't think the Mayorga that fought forrest would have gone down from Oscar's left.