Jake O'Brien
September 25, 1984 (40 years old) in Indianapolis, Indiana, USA
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.
Known For
Credits
- 2009 ·UFC 100: Lesnar vs. Mir 2as Self
- 2009 ·UFC 94: St-Pierre vs. Penn 2as Self
- 2008 ·UFC Fight Night 14: Silva vs. Irvinas Self
- 2008 ·UFC 82: Pride of a Championas Self
- 2007 ·UFC Fight Night 8: Evans vs. Salmonas Self
- 2006 ·UFC 65: Bad Intentionsas Self
- 2006 ·UFC Fight Night 6: Sanchez vs. Parisyanas Self
- 2006 ·WEC 19: Undisputedas Self