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Jake O'Brien "Irish"

Inactive · age 41 · Orthodox · 6'3" 191 cm · 205 lb 93 kg · reach 76" 193 cm
At a glance
  • UFC veteran since 2006
Elo rating
1472
Global Elo 1521 ±37
Rank
UFC record
4-3-0
KO 1 · Sub 0 · Dec 3
Streak
-1
Δ90d +5 · Δ1y +5
Last fight
Jul 11, 2009
Loss by Submission · R2
Career at a glance
Octagon time
1h 10m
Avg fight time
9:59
Fights per year
2.4
Ground control
35m
Since last fight
16y 12mo

Honest Elo history

7 fights · tap & drag
Aug 17, 2006 — W vs Kristof Midoux Δ+33Nov 18, 2006 — W vs Josh Shockman Δ+26Jan 25, 2007 — W vs Heath Herring Δ+24Mar 1, 2008 — L vs Andrei Arlovski Δ-31Jul 19, 2008 — L vs Cain Velasquez Δ-35Jan 31, 2009 — W vs Christian Wellisch Δ+15Jul 11, 2009 — L vs Jon Jones Δ-17 1440146014801500152015401560 200720082009 [{"i":0,"x":90,"y":277.5,"elo":1490,"date":"2006-08-17","opp":"Kristof Midoux","result":"W","delta":33},{"i":1,"x":153.2,"y":207.9,"elo":1516,"date":"2006-11-18","opp":"Josh Shockman","result":"W","delta":26},{"i":2,"x":199.5,"y":144.1,"elo":1540,"date":"2007-01-25","opp":"Heath Herring","result":"W","delta":24},{"i":3,"x":472.1,"y":225.5,"elo":1509,"date":"2008-03-01","opp":"Andrei Arlovski","result":"L","delta":-31},{"i":4,"x":567.3,"y":318.8,"elo":1474,"date":"2008-07-19","opp":"Cain Velasquez","result":"L","delta":-35},{"i":5,"x":700.5,"y":278.8,"elo":1489,"date":"2009-01-31","opp":"Christian Wellisch","result":"W","delta":15},{"i":6,"x":810,"y":324.1,"elo":1472,"date":"2009-07-11","opp":"Jon Jones","result":"L","delta":-17}]

Last fights

Elo-based expectation · not betting advice
Date Opponent Result Δ Elo
Jul 11, 2009 Jon Jones L -17
Jan 31, 2009 Christian Wellisch W +15
Jul 19, 2008 Cain Velasquez L -35
Mar 1, 2008 Andrei Arlovski L -31
Jan 25, 2007 Heath Herring W +24

Performance

SLpM Significant Strikes Landed per Minute. Higher = busier striker.
Strikes Landed
L1L3L5
Str Acc Striking accuracy: significant strikes landed / attempted. Higher = more efficient striker.
Strike Accuracy
L1L3L5
SApM Significant Strikes Absorbed per Minute. How often opponents land on this fighter. Lower is better.
Strikes Absorbed
L1L3L5
Str Def Share of opponent’s significant strike attempts that miss or are blocked. Higher is better.
Striking Defense
L1L3L5
TD / 15 min Takedowns landed per 15 minutes (one full 3-round fight). Measures wrestling output.
Takedowns
L1L3L5
TD Acc Takedowns landed / attempted. Higher = cleaner entries.
Takedown Accuracy
L1L3L5
TD Def Share of opponent takedown attempts stuffed. Higher = harder to put on the mat.
Takedown Defense
L1L3L5
Sub / 15 min Submission attempts per 15 minutes. Counts attempts, not just finishes — a proxy for grappling aggression.
Submission Attempts
L1L3L5
Ctrl / 15 min Control time in seconds per 15 minutes. Time in dominant grappling positions. 240 = 4 min, the realistic high-end across divisions.
Control Time (sec)
L1L3L5
KD / 15 min Knockdowns landed per 15 minutes. Counts every flash KD even if the fight continued — measures stopping power across all rounds, not just finishes.
Knockdowns
L1L3L5
Above division avg (intensity ∝ how far)
Near avg (±10%)
Below division avg

Finishes

How wins come Finish rate = (KO + Submission wins) / total UFC wins. Measures how often this fighter closes the show before the scorecards.
25%
1 / 4
Finish rate
KO
1
25% of wins
SUB
0
0% of wins
DEC
3
75% of wins
KO: 1 (25%) 1 Sub: 0 (0%) Dec: 3 (75%) 3
Finishes by round
1 total
R1
R2
1 100%
R3
R4
R5

Striking profile

Where significant strikes land — by target zone and by position. 92 landed total · career

Targets head · body · leg
97% Head
  • Head 97%
  • Body 3%
  • Leg 0%
Positions distance · clinch · ground
59% Ground
  • Distance 35%
  • Clinch 7%
  • Ground 59%

Durability

How they're beaten How fights end AGAINST this fighter. Finished-against rate = (times KO'd + submitted) / total UFC losses. A low rate means they rarely get stopped.
100%
of losses by finish
3 of 3 · usually R2
2 KO/TKO 1 Sub 0 Dec

Strength of schedule in UFC

Avg opp Elo (last 5) Average Elo rating of the last 5 opponents this fighter faced. A proxy for schedule difficulty — 1700+ is elite-level competition, 1500 is a UFC average opponent.
1540
UFC level
Quality wins (1600+) Wins over opponents rated 1600+ Elo at the time of the fight — clearly above the ~1500 UFC average, contender tier. A count of genuine quality results, not record-padding.
0
of 4 UFC wins
Toughest win The highest-rated opponent this fighter has a win over, by that opponent's Elo at fight time.
Kristof Midoux
Elo 1500 at fight time
Expected wins How many wins an average fighter would be expected to have against this exact schedule, based on pre-fight Elo win probabilities. The line below shows whether this fighter is over- or under-performing their matchups.
3.6
+0.4 wins above what this schedule implies
Opponent Elo over career · 7 UFC fights, oldest → newest
1500
1560

Top light heavyweight

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Source Raw fight data and per-bout statistics come from Jake O'Brien on UFCStats →. Elo rating, uncertainty bands, and division-relative analytics computed by HonestElo — not affiliated with or endorsed by the Ultimate Fighting Championship.