Mayweather Jr. #1 highest paid athlete in U.S with $90 million for 2013

By Chris Williams: Unbeaten Floyd Mayweather Jr. was the highest paid athlete in the United States with projected earning 2013 of $90 million, according to Sports Illustrated. This will from Mayweather Jr. fighting just twice this year, once in May in easily beating Robert "The Ghost" Guerrero and another time in September against a still