Mayweather-Guerrero live chat and analysis

Pound-for-pound kingpin Floyd Mayweather Jr. puts his undefeated record on the line Saturday against Robert Guerrero. Follow along live as Yahoo! Sports boxing analysts Kevin Iole and Martin Rogers break down all of the action from ringside at the MGM Grand Garden Arena.

Follow @YahooSports on Twitter for more in- and post-fight analysis.

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