Valero is definitely not the hardest puncher. De Marco was taking his best punches, and probably could have lasted the distance or at least gotten KO'ed late. He just gave up because there was no way of winning the fight. I can name plenty of fighters stronger than Valero.
But now that I think of it, you guys are right. Diaz has seen his better days. A combination of the Campbell defeat, a KO from Marquez and an outclassing from Malignaggi (which could have been a 6th round KO defeat if Paulie had stopped clowning around) took away a lot from him. I can see Valero stopping him, or at least battering him for 12 rounds.
But now that I think of it, you guys are right. Diaz has seen his better days. A combination of the Campbell defeat, a KO from Marquez and an outclassing from Malignaggi (which could have been a 6th round KO defeat if Paulie had stopped clowning around) took away a lot from him. I can see Valero stopping him, or at least battering him for 12 rounds.
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