Floyd Mayweather Jr. vs. Marcos Maidana II

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. 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. 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. 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.