Pound-for-pound king Floyd Mayweather Jr. didn't just win two massive fights in 2007, he did it with the whole world watching, setting box office records, becoming a mainstream figure and the face of boxing he's always wanted to become.

It's why Mayweather, who backed up his considerable boasts with victories against Oscar De La Hoya and Ricky Hatton, is the 2007 ESPN.com Fighter of the Year in a year that had several quality candidates -- Miguel Cotto, Kelly Pavlik, Juan Diaz and Joe Calzaghe -- and was one of the toughest years to pick in ages.