Floyd Mayweather Jr. vs. Marcos Maidana II
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Floyd Mayweather Jr. vs. Marcos Maidana II

2014
| 13 September 2014
Floyd Mayweather Jr.
Floyd Mayweather vs. Marcos Maidana II, billed as "Mayhem", was a world championship boxing match held on September 13, 2014, in the MGM Grand Garden Arena, at the MGM Grand Hotel & Casino in Las Vegas, United States.
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