The weigh in for Floyd Mayweather vs. Miguel Cotto will be shown live on HBO starting at 6 p.m. ET. But we do have an actual stream below courtesy of Yahoo which should go live around 5:45 p.m. Boxing weigh-ins move fast, usually with the main event fighters hitting the scales first so if you want to see Floyd and Miguel make it official, make sure you're locked in.

Mayweather is moving up to junior middleweight for the first time since battling Oscar De La Hoya in 2007. Cotto is well adjusted to the weight, with this being his fourth fight in the division. He hasn't taken his power up with him, but he still will probably be the heavier man with Mayweather making noise about coming in closer to 150 pounds, but size isn't a part of Floyd's plan for this fight.

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