Five-time world champion in three weight divisions Juan Manuel “Dinamita” Marquez in MAYWEATHER vs. MARQUEZ “Number One/Numero Uno” on Saturday, July 18 at the MGM Grand Garden Arena in Las Vegas, Nevada which will be broadcast live on HBO Pay-Per-View beginning at 9pm ET / 6pm PT. Mayweather’s return and the fight were announced today at a press conference at MGM Grand.