Premise: Floyd Mayweather Jr. vs. Canelo Álvarez, billed as "The One", was a boxing light middleweight championship superfight. The bout was held on September 14, 2013, in the MGM Grand Garden Arena, at the MGM Grand Hotel & Casino in Las Vegas, Nevada, United States, on Showtime PPV. Mayweather received $41.5 million for this fight before taking into account pay-per-view sales.
Hypothesis: Floyd Mayweather was in Las Vegas on September 14, 2013.