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. Using only the above description and what you know about the world, "Floyd Mayweather was in Las Vegas on the 14th of September in 2013." is definitely correct, incorrect, or inconclusive? 