Jacob Allen O’Brien (born September 25, 1984) 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.
Jake O’Brien
15 - 4 - 0
Birthday:
25-9-1984
Age:
42 years
Class:
Light Heavyweight
City:
Indiana
Promotion Company:
Ultimate Fighting Championship
Weight
205
Height
6"3
Wins
15
Losses
4
Draws
0 
-
15th July 2020 -
15th July 2020 -
11th July 2020
-
11th July 2020 -
27th June 2020
