I don't really follow boxing but Marquez looked f'in huge.
I don't know if he fought Mayweather in the same weight class as he fought Pacquiao in, but he's noticeably bigger than he was before. You can see the difference here:
http://www4.pictures.zimbio.com/gi/Mayweather+Jr+v+Marquez+Weigh+etbc6A1aQtTl.jpg
http://l3.yimg.com/bt/api/res/1.2/fCjigoq_ECJF98uFcKtcpA--/YXBwaWQ9eW5ld3M7Zmk9aW5zZXQ7aD00MjA7cT04NTt3PTYzMA--/http://media.zenfs.com/en_us/News/gettyimages.com/manny-pacquiao-v-manuel-marquez-20121207-160038-601.jpg
