He won't be. The fight is at 152 and there is a 10% maximum rehydration allowed by the WBC. I think Canelo will be around 165 which I believe is what Ortiz was around.
@CZAR
Why would you say yeah right for? None of us know what Floyd's fight night weight is and even Pacmans weight goes up 5-10lbs, so what's the big deal?