Somebody asked what does a rematch prove? It proves he can make money. The other thing that many were complaining about is Pacquiao is relatively unproven at 154lbs.

If Cotto is able to beat Margarito convincingly, it would suggest in some peoples minds that the first time they met, Margarito had his wraps loaded. Then people will suggest Cotto has his confidence back and a rematch with Pacquiao at 154lbs to unify the WBA and WBC Light Middleweight titles would have been earned and warranted since Cotto doesn't have to dehydrate to make weight. I don't it is a very hard sell, in fact I can picture Max Kellerman talking up Cotto after he beat Margarito.

If Margarito is able to beat down Cotto, some will say it suggests Margarito didn't have his wraps loaded. The truth is it doesn't really mean anything, but a unification argument can still be made. I think a rematch with Margarito is a much tougher sell but it would still draw a crowd and make pretty good PPV numbers with the help of 27/7.

Personally, I'd much rather see Pacquiao in there with other fighters. I don't really want to see him rematch Margarito ever. I hope Margarito just retires. I'd rather see Pac try take on Martinez.