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Watch live on SI.com as Floyd Mayweather and Conor McGregor weigh in for the big fight.

By Jeremy Woo
August 25, 2017

Floyd Mayweather and Conor McGregor are weighing in for tomorrow’s fight.

The weigh-in for the much-hyped bout will stream live here on SI.com at 6 p.m. ET.

After weeks of hype, the two fighters will finally face off on Saturday in Las Vegas. Mayweather is a big favorite to win. Either way, get ready to see fireworks. 

Watch a live stream of the weigh-in below.

The two men will fight Saturday night at T-Mobile Arena in Las Vegas as McGregor makes his boxing debut against the most successful boxer of his generation.

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