<p>Frank trades in one former boxing world champion for another to make his boxing debut, and gunshots ring out at a Florida MMA event.</p>

Frank trades in one former boxing world champion for another to make his boxing debut, and gunshots ring out at a Florida MMA event.

Frank's got a new opponent

Former UFC heavyweight champion Frank Mir and broadcaster/comedian Richard Hunter talk to the biggest names in mixed martial arts, discussing the latest news in the sport of MMA.

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Frank's got a new opponent

Frank's got a new opponent