I'm surprised no one has mentioned this yet. Jeff Mayweather Expects Weight-Drained Margarito To Fall - Boxing News

Margarito will be weight drain. Jeff Mayweather and other people have speculated on this ever since Margarito last week look pretty much shredded at 154 and people were wondering how can he make 150 without any negative lingering effects. In fact at today's weigh in he looks really gaunt and not really strong.