Watch Floyd Mayweather vs Marcos Maidana - Live

MMA Fighting has Floyd Mayweather vs. Marcos Maidana live blog for round-by-round updates for one of the top boxing fights of the year.

The main event will start a little after 11:30 p.m. ET. Check out our Mayweather vs. Maidana results page to find out what happened on the undercard. Mayweather will be putting his WBC and The Ring welterweight titles on the line, while Maidana will try to defend his WBA welterweight championship.