"I was 158 at the weigh-in and after the weigh-in, 24 hours later, I was 165...I love the big challenges and the hard ones. I love it. It motivates me...Margarito will fight me with no problem. The problem is Cotto. If Margarito wins and he beats him, like he did the last time, everybody wants to see the rematch. I will do it in a heartbeat," stated middleweight king Sergio Martinez as he talked about a potential rematch with the last man to defeat him, former welterweight champion Antonio Margarito. Check out what else he had to say about his 11th round knockout of Darren Barker, his future plans and much more.