Personal Info
Known For
Acting
Gender
Male
Birthday
September 25, 1984 (41 years old)
Place of Birth
Indianapolis, Indiana, USA
Also Known As
- Irish
Jake O'Brien
Biography
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.
