

Loss
Submission (R2 · 2:38)UFC Live: Hardy vs Lytle
UFC round data: 2 bouts · through 2011-08-14

Heuristic scores · 0–100
2 UFC bouts · 97 division peers
Data through 2011-08-14
0 bouts reaching round 3
Fight IQ = 40% striking-accuracy percentile + 30% striking-defense percentile + 30% takedown-defense percentile within the division.
Requires 3 UFC bouts, 15 measured minutes, at least 10 division peers, 100 strike attempts, 100 opponent strike attempts and 10 opponent takedown attempts.
Cardio = 100 × the median late/early significant-strike attempt rate ratio, capped at 100. Compare rounds 3+ with rounds 1–2 within each bout. Requires 3 eligible bouts with at least 60 late-round seconds each. 100 means maintained or higher late pace.
Fight IQ summarizes accuracy and defense; cardio summarizes retained pace. Style, opponents and grappling affect both. These scores do not measure intelligence, physical fitness or win probability.
Formula v1
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TJ O'Brien has a professional MMA record of 20-8-0 (wins-losses-draws).
TJ O'Brien's UFC record is 0-2-0 (wins-losses-draws), and 20-6-0 in professional fights outside the UFC.
TJ O'Brien does not have a fight currently scheduled.
TJ O'Brien is 39 years old, born January 1, 1987.
TJ O'Brien stands 188 cm (6'2") tall.
TJ O'Brien is known as "The Spider".
TJ O'Brien last fought on August 14, 2011 at UFC Live: Hardy vs Lytle, losing to Cole Miller by submission in round 2.
TJ O'Brien, a lightweight, went 20-8 as a pro and 0-2 in the UFC (20-6 outside it). He debuted at UFC 123: Rampage vs Machida on November 20, 2010. His height of 74 inches is 4 inches above the lightweight average (70 inches). Last fight: submission loss to Cole Miller, then 6-3 in the UFC, on August 14, 2011 (UFC Live: Hardy vs Lytle).
Built from AgentMMA's UFC database (as of November 7, 2026); not AI-written.
Computed by AgentMMA from the round-by-round stats of 2 UFC bouts (15:54 of fight time).
| Stat | O'Brien | Division average | Percentile |
|---|---|---|---|
| Significant strikes landed per minute | 3.860 in 15:54 | 4.4 | —* |
| Significant strike accuracy | 46.1%60 of 130 landed | 47.5% | —* |
| Significant strikes absorbed per minute | 4.876 in 15:54 | 4.3 | —* |
| Significant strike defense | 57.8%104 of 180 avoided | 52.7% | —* |
| Takedowns per 15 minutes | 0.91 in 15:54 | 1.6 | —* |
| Takedown accuracy | 100%1 of 1 landed | 36.1% | —* |
| Takedown defense | 0%0 of 1 stopped | 63.9% | —* |
| Submission attempts per 15 minutes | 00 in 15:54 | 0.5 | —* |
| Knockdowns per 15 minutes | 00 in 15:54 | 0.4 | —* |
| Control time | 3.6%0:34 of 15:54 | 19.4% | —* |
| Average fight time | 7:572 bouts | 10:20 | —* |
| Height | 188 cm74″ | 178 cm70″ |
UFC record: 0-2
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