JO
Jake O'Brien
Born September 25, 1984 (39 years)
Jacob Allen O'Brien is a retired American professional mixed martial artist who most recently competed in the Heavyweight division. A professional competitor from 2005 until 2012, he fought for the UFC, WEC, and DREAM.
Filmography
| 2009 | UFC 100: Lesnar vs. Mir · as Self |
| 2009 | UFC 94: St-Pierre vs. Penn 2 · as Self |
| 2008 | UFC Fight Night 14: Silva vs. Irvin · as Self |
| 2008 | UFC 82: Pride of a Champion · as Self |
| 2007 | UFC Fight Night 8: Evans vs. Salmon · as Self |
| 2006 | UFC 65: Bad Intentions · as Self |
| 2006 | UFC Fight Night 6: Sanchez vs. Parisyan · as Self |