It's so hard... i am a huge fan of both. If Mayweather wins it could potentially lead to one of the biggest match ups of my lifetime (Pacquiao v Mayweather - assuming PacMan whoops Cotto which is a HUGE assumption). But i also want to see a super talented, hard working underdog get rewarded for taking such a risk - its this kind of romanticism that makes boxing so brilliant to watch
I want Mayweather to win, but after the 24/7 I am now also a Marquez fan. That guy does some crazy stuff, hahaha.