Watch Floyd Mayweather Jr. vs. Arturo Gatti (2005) : Full Movie Online Free Arturo "Thunder" Gatti (39-6, 30 KO's) put his WBC Super Lightweight Championship on the line against the undefeated, number two rated pound for pound fighter in the world, "Pretty Boy" Floyd Mayweather, Jr (33-0, 22 KOs). The bout took place at the Boardwalk Hall in Atlantic City, NJ.