Floyd Mayweather, Jr.
On 14 July 2012 Mundine faced American Bronco McKart. It was Mundine's first fight in the United States, with the stated aim being to eventually challenge undefeated champion Floyd Mayweather, Jr.. Mundine went on to win the bout by seventh-round TKO. McKart's loss was his first stoppage defeat since 2006, when he lost to Kelly Pavlik, and only his third TKO defeat in 65 fights.