Las Vegas Sun - Photograph : Mayweather vs. Maidana Undercard News Conference

January 17, 2018

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Welterweight boxer Luis Collazo speaks during a news conference for undercard boxers at the MGM Grand Thursday, May 1, 2014. Collazo will fight Amir Khan of Britain at the MGM Grand Garden Arena on Saturday.

Steve Marcus

Welterweight boxer Luis Collazo speaks during a news conference for undercard boxers at the MGM Grand Thursday, May 1, 2014. Collazo will fight Amir Khan of Britain at the MGM Grand Garden Arena on Saturday.