Watch Mayweather vs. Canelo live stream online on MMA Fighting, starting at 8 p.m. ET for Showtime's 'Countdown Live' show from Las Vegas.
Floyd Mayweather will try to improve to 45-0 with a win over Canelo Alvarez in the 152-pound catchweight contest. Mayweather will be defending his WBA super light middleweight title, while Alvarez will put his WBC and The Ring light middleweight titles on the line.
Mayweather is guaranteed to make $41.5 million for the fight, while Alvarez will earn a guaranteed $5 million. The fight, which is expected to have a $20 million gate, will occur at the MGM Grand Garden Arena in Las Vegas on Saturday night.
To order the pay-per-view, which will begin at 9 p.m. ET, check out this page from Showtime with all the information to order the Mayweather vs. Canelo fight.
Only fans in the UK have the online option via LiveSport TV for BoxNation.
To watch it a local movie theater, check out this listing from Fathom Events to find one near you.