Heavyweight · Men

Jake O'Brien

“Irish”
United States Integrated Fighting Academy debut 2004
Elo 1,515 peak 1,654 · 25 Jan 2007 139 below it
Tapology Sherdog id 3689558
15-4pro record
2W current streak
1,621best win, Elo
1,274average opponent
-- born 25 Sep 1984
75.0" / 76.5" height / reach

Elo history

Hover for the fight at that point; dots are wins and losses

Record

-- – --
Rating by method KO1,217 Sub1,115 Dec1,188

Best wins

By the opponent's Elo on the night
  1. Heath Herring Decision R3 · 25 Jan 2007 · Ultimate Fighting Championship 1,621
  2. Toni Valtonen Decision R3 · 13 Mar 2010 · Fight Festival 1,475
  3. Christian Wellisch Decision R3 · 31 Jan 2009 · Ultimate Fighting Championship 1,407
  4. Antoine Hayes KO/TKO R1 · 7 Apr 2006 · Legends of Fighting Championship 1,398
  5. Josh Schockman Decision R3 · 18 Nov 2006 · Ultimate Fighting Championship 1,357

Losses

Newest first
  1. Gegard Mousasi Submission R1 · 10 Jul 2010 · DREAM 1,884
  2. Jon Jones Submission R2 · 11 Jul 2009 · Ultimate Fighting Championship 1,571
  3. Cain Velasquez KO/TKO R1 · 19 Jul 2008 · Ultimate Fighting Championship 1,435
  4. Andrei Arlovski KO/TKO R2 · 1 Mar 2008 · Ultimate Fighting Championship 1,841

Fight history

21 bouts, newest first; amateur bouts are shaded. Hover a heading for what it means.
# Date Result Opponent Weight class Method Round Score Elo ± Opp Elo Odds Event
21 4 Aug 201227.9 yrs W15-4 Miodrag Petkovic 32-18-1 · 43.2 yrs Heavyweight DecisionUnanimous R315:00 0.84 1,509→1,515 +6 1,263 – Flawless FC 1: The Beginning Flawless Fighting Championship
20 31 Mar 201227.5 yrs W14-4 James Shaw 5-1 Heavyweight SubArm Triangle Choke R11:06 1.00 1,480→1,509 +29 1,198 – IMMA - Indy MMA 2 Indy MMA
19 10 Jul 201025.8 yrs L13-4 Gegard Mousasi 29-4-1 · 24.9 yrs Open Weight SubGuillotine Choke R10:31 0.00 1,517→1,498 -19 1,884 – Dream 15 DREAM
18 13 Mar 201025.5 yrs W13-3 Toni Valtonen 22-9 · 31.2 yrs – DecisionUnanimous R315:00 0.84 1,451→1,517 +66 1,475 – Fight Festival 27 Fight Festival
17 20 Feb 201025.4 yrs W12-3 Dave Hess 3-1 Heavyweight SubKimura R29:24 1.00 1,413→1,451 +38 1,189 – MMA Big Show: Triple Threat MMA Big Show
16 11 Jul 200924.8 yrs L11-3 Jon Jones 8-0 · 22.0 yrs Light Heavyweight SubGuillotine Choke R27:43 0.00 1,478→1,413 -65 1,571 – UFC 100: Lesnar vs. Mir 2 Ultimate Fighting Championship
15 31 Jan 200924.4 yrs W11-2 Christian Wellisch 8-4 · 33.4 yrs Light Heavyweight DecisionSplit R315:00 0.60* 1,479→1,478 -1 1,407 – UFC 94: St. Pierre vs. Penn 2 Ultimate Fighting Championship
14 19 Jul 200823.8 yrs L10-2 Cain Velasquez 3-0 · 26.0 yrs Heavyweight KO/TKOPunches R12:02 0.00 1,607→1,479 -128 1,435 – UFC Fight Night 14: Silva vs. Irvin Ultimate Fighting Championship
13 1 Mar 200823.4 yrs L10-1 Andrei Arlovski 12-5 · 29.1 yrs Heavyweight KO/TKOPunches R29:17 0.00 1,651→1,607 -44 1,841 – UFC 82: Pride of a Champion Ultimate Fighting Championship
12 25 Jan 200722.3 yrs W10-0 Heath Herring 26-11 (1) · 28.9 yrs Heavyweight DecisionUnanimous R315:00 0.94* 1,563→1,654 +91 1,621 – UFC Fight Night 8: Evans vs. Salmon Ultimate Fighting Championship
11 18 Nov 200622.1 yrs W9-0 Josh Schockman 3-0 · 25.9 yrs Heavyweight DecisionUnanimous R315:00 1.00* 1,512→1,563 +51 1,357 – UFC 65: Bad Intentions Ultimate Fighting Championship
10 17 Aug 200621.9 yrs W8-0 Kristof Midoux 5-5 · 34.0 yrs Heavyweight KO/TKOPunches R25:52 1.00 1,487→1,512 +25 1,174 – UFC Fight Night 6: Sanchez vs. Parisyan Ultimate Fighting Championship
9 23 Jun 200621.7 yrs W7-0 Pat Harman debut – KO/TKO R13:46 1.00 1,477→1,487 +11 1,001 – United Fight League 1 Indiana Regional
8 7 Apr 200621.5 yrs W6-0 Antoine Hayes 6-1 · 30.1 yrs – KO/TKOPunches R1 1.00 1,386→1,477 +90 1,398 – Legends of Fighting Championship Legends of Fighting Championship
7 17 Mar 200621.5 yrs W5-0 Jay White 2-4 (1) Heavyweight KO/TKOPunch R10:14 1.00 1,355→1,386 +32 1,092 – WEC 19: Undisputed WEC
6 20 Jan 200621.3 yrs W4-0 Johnathan Ivey 18-30 · 30.0 yrs – KO/TKOPunches R1 1.00 1,297→1,355 +58 1,174 – Legends of Fighting 4 Legends of Fighting Championship
5 7 Jan 200621.3 yrs W3-0 Anthony Ferguson 2-5 · 25.4 yrs – KO/TKOPunches R1 1.00 1,285→1,297 +12 828 – LOF - Revolution 1 Legends of Fighting Championship
4 21 Jun 200520.7 yrs W2-0 Paul Bowers 1-2 – KO/TKOPunches R1 1.00 1,211→1,285 +74 1,158 – Integrated Fighting Classic 3 Indiana Regional
3 21 May 200520.7 yrs W1-0 Chris Clark 0-4 – KO/TKOPunches R1 1.00 1,182→1,211 +30 905 – Madtown Throwdown 3 Madtown Throwdown
2 17 Jul 200419.8 yrs W2-0 Tony Anderson 0-2 – KO/TKOSubmission to Strikes R13:00 1.00 1,157→1,182 +24 898 – Cage Rage Cage Rage am
1 17 Jul 200419.8 yrs W1-0 Trevor Overturf 0-3 – KO/TKOSubmission to Strikes R1 1.00 1,132→1,157 +26 887 – Cage Rage Cage Rage am