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Floyd Mayweather vs. Robert Guerrero: Mayweather heavy bag workout (HD) - YouTube
WBA welterweight champion Floyd Mayweather Jr. hits a speed bag as he... News Photo - Getty Images
Floyd Mayweather speed bag - YouTube
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Floyd Mayweather Jr. takes center stage at media day for his May 5 bout in Vegas -
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Floyd Mayweather A Beast On Speed Bag EsNews Boxing - YouTube
Old legend' Floyd Mayweather showcases speed in new training video - MMA Fighting
Floyd Mayweather hits a heavy bag during his workout at his gym Tuesday, April 7, 2015. (Sam Morris/Las Vegas Review-Journal) Follow Sam Morris on Twitter @sammorrisRJ | Las Vegas Review-Journal
Slow-Mo: Floyd Mayweather Lands Extremely Slow but Hard Punches in New Training Video - EssentiallySports
Floyd Mayweather Jr. of the U.S. hits a heavy bag during a workout at the Mayweather
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Mayweather vs Cotto: Floyd Mayweather Streams His Workout Tomorrow - Bad Left Hook