If Cotto was to beat Margarito he goes into the top 5 imo.

People hang on Pacman's nutsacks for beating Barrera and Morales but both fighters are not what they were.

If Cotto beats Margarito he would have to be considered a top 5 p4p and if he added Mosely to that list he's pushing Winky and Pacquiao for the 2 and 3 spots.

Of course to be number he would have to beat Floyd, who even though he has 'retired' is still p4p number 1 in everbody's eyes.