
Jake O'Brien
- Known for
- Acting
- Born
- September 25, 1984
- Birthplace
- 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.
Filmography

DREAM 15 2010
as Self

UFC 100: Lesnar vs. Mir 2 2009
as Self

UFC 94: St-Pierre vs. Penn 2 2009
as Self

UFC Fight Night 14: Silva vs. Irvin 2008
as Self

UFC 82: Pride of a Champion 2008
as Self

UFC Fight Night 8: Evans vs. Salmon 2007
as Self

UFC 65: Bad Intentions 2006
as Self

UFC Fight Night 6: Sanchez vs. Parisyan 2006
as Self

WEC 19: Undisputed 2006
as Self
Credits from TMDB.