When Antonio Margarito fought his rematch with Miguel Cotto at Madison Square Garden in December 2011, the hallowed Garden walls echoed with boos and catcalls the moment Margarito's face appeared on the jumbo screen as the former world champion warmed up backstage. Over 20,000 fans screamed insults at Margarito as he made the long walk to the ring.
Margarito reveled in it, smiling broadly and swaggering like any professional wrestling heel. For playing the villain against Cotto, Margarito made one of the biggest paydays of his career.
There's money to be made for being disliked in the fight game, as long as you can keep winning enough to drive the haters crazy. The fighters on this list have collected some of their biggest purses while wearing the black hat.