Sport Science- BJ Penn

Sport Science looks at the science behind the submission.

• 2010-05-24T07:05:23+00:00
• Duration: 04:39

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ESPN Sports MMA Mixed Martial Arts UFC Lightweight Champion Former BJ Penn Choke Choked Out Rear Naked Choke Passed out blacked out knocked out tap out Sport Science Submission Sciene Behind the Scenes Prodgey