Mayweather: Maidana 'never backs down'

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Mayweather: Maidana 'never backs down'

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Mayweather: Maidana 'never backs down'

by Yahoo Sports Videos 0:29 mins

Mayweather: Maidana 'never backs down'

by Yahoo Sports Videos 0:29 mins

Floyd Mayweather Jr. explains what makes Marcos Maidana at tough opponent

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