When a fighter prepares for a bout, they will often bring in a training partner who is like their opponent. If you're preparing for a match with Josh Koscheck, you bring in a wrestler; Brandon Vera, a kickboxer; Lyoto Machida, Chuck Norris. In preparing for his fight with Kenny Florian, B.J. Penn took that tactic up a notch, bringing in a fighter who even looks like Florian.A video or other embedded content has been hidden. Click here to view it.