haha this guy serious? I give him credit for studying tape, but he is retarded. Why would you compare how Mayweather fights orthodox fighters to how he would face Manny? Its like he's only seen Mayweather-Marquez. Mayweather maintains his own style, but he fight each guy little bit different, just like all great boxers, but he absolutely does not fight southpaws the same way he fights orthodox guys, he is open to different punches and a guy like Floyd knows that. He keeps both hands much higher, he doesnt leap in with the left hook the same way, and he throws his straight right way more.