Jon Jones vs.
Jake O'Brien
Two full careers, measured against each man's own division and against each other — the tape, the read, and every number behind them.
The men, measured.
Frame, age, layoff and recent form — green marks the edge on each line.
What the numbers say.
Scouting notes, auto-generated — only stats deviating more than 25% from the division median make this list. No narratives, just deviations.
Who did they actually beat?
Full-career records re-graded by the tier of opposition — the same grading the Contender Series pick model uses. Records built on tier-4 competition are worth less than records built on killers.
Jon Jones
| Competition tier | W | L |
|---|---|---|
| Tier 1 — UFC / DWCS / PFL / Bellator / ONE / Rizin | 22 | 1 |
| Tier 3 — regional circuit | 6 | 0 |
Tier-weighted record quality: 2.19 · 22 tier-1/2 wins · 18 finish wins over 30 documented bouts
In the UFC: 21-1 against opponents who walked in above .500 · avg opponent walk-in record +4.9 wins over .500
Jake O'Brien
Full career not yet synced for Jake O'Brien — tier grading appears once their record documentation lands (refreshes weekly).
In the UFC: 0-3 against opponents who walked in above .500 · avg opponent walk-in record +1.1 wins over .500
The stand-up battle.
Career totals; norms are the medians of each man's own division.
Significant strikes — landed & absorbed
Where the fight happens (share of sig. strike attempts)
Jon Jones
Distance 72.2% (norm 80.5%) · Clinch 13.0% (norm 8.6%) · Ground 14.7% (norm 10.4%)
Jake O'Brien
Distance 59.9% (norm 79.5%) · Clinch 4.2% (norm 9.8%) · Ground 36.0% (norm 9.3%)
What they throw (share of sig. strike attempts by target)
Jon Jones
Head 60.1% (norm 79.2%) · Body 18.6% (norm 11.7%) · Legs 21.3% (norm 9.7%)
Jake O'Brien
Head 99.0% (norm 79.2%) · Body 1.0% (norm 11.5%) · Legs 0.0% (norm 7.6%)
Zone accuracy matrix Landed / attempted by zone
Green ≥ division median, red below. UFCStats tracks position and target as separate splits.
| Zone | Jones L/A | Acc | Light Heavyweight med | O'Brien L/A | Acc | Heavyweight med |
|---|---|---|---|---|---|---|
| BY POSITION | ||||||
| At distance | 1012 / 1918 | 52.8% | 41.4% | 32 / 173 | 18.5% | 40.1% |
| In the clinch | 250 / 346 | 72.3% | 70.9% | 6 / 12 | too few to rate | 70.6% |
| On the ground | 302 / 391 | 77.2% | 72.3% | 54 / 104 | 51.9% | 70.2% |
| BY TARGET | ||||||
| To the head | 759 / 1595 | 47.6% | 38.9% | 89 / 286 | 31.1% | 38.9% |
| To the body | 375 / 494 | 75.9% | 71.9% | 3 / 3 | too few to rate | 76.8% |
| To the legs | 430 / 566 | 76.0% | 81.8% | 0 / 0 | too few to rate | 87.8% |
Zones with fewer than 25 attempts are marked "too few to rate". Each fighter is measured against the median of leaderboard-eligible fighters in his own division (Light Heavyweight: 93 fighters · Heavyweight: 93 fighters).
What lands on them Opponents' accuracy against each man
Green ≤ division median — harder to hit than the typical man in his division.
| Zone | vs Jones L/A | Opp acc | Light Heavyweight med | vs O'Brien L/A | Opp acc | Heavyweight med |
|---|---|---|---|---|---|---|
| BY POSITION | ||||||
| At distance | 637 / 1921 | 33.2% | 40.4% | 92 / 377 | 24.4% | 40.7% |
| In the clinch | 154 / 289 | 53.3% | 68.7% | 6 / 15 | too few to rate | 70.6% |
| On the ground | 7 / 12 | too few to rate | 70.4% | 37 / 46 | 80.4% | 72.0% |
| BY TARGET | ||||||
| To the head | 385 / 1573 | 24.5% | 37.5% | 85 / 364 | 23.4% | 38.8% |
| To the body | 217 / 367 | 59.1% | 72.3% | 15 / 25 | 60.0% | 75.1% |
| To the legs | 196 / 282 | 69.5% | 83.0% | 35 / 49 | 71.4% | 84.4% |
The ground war.
Takedowns, control and submissions — career totals with each man's per-minute rates against his division norm.
Bars compare the two men's rates (per-minute / per-15 figures), not raw totals — Jones has more cage time on record.