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 in Las. Floyd Mayweather vs. Marcos Maidana, billed as The Moment , was a boxing welterweight championship superfight. The bout was held on May 3, 2014, in the MGM Grand. The full post fight press conference video for Mayweather vs. Maidana 2 as Floyd Mayweather and Marcos Maidana speak on their rematch For more Boxing and. © 2015 Showtime Networks Inc. and Showtime Digital Inc. All rights reserved. Privacy Policy | Terms of Use | Closed Captioning. This website is intended for viewing. Floyd Mayweather vs. Marcos Maidana 2 full fight Marcos Maidana Bites Floyd Mayweather - Floyd Mayweather vs. Marcos Maidana 2 Fight [REVIEW] Marcos.