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
| Birth Location | Indianapolis, Indiana, USA |
|---|---|
| Born | 1984-09-25 |
Movies
UFC 100: Lesnar vs. Mir 2
as Self
2009
UFC 94: St-Pierre vs. Penn 2
as Self
2009
2008
UFC 82: Pride of a Champion
as Self
2008
2007
UFC 65: Bad Intentions
as Self
2006
2006
WEC 19: Undisputed
as Self
2006
Jake O'Brien hasn't worked on any movies or TV shows