Casey O'Neill vs.
Ariane da Silva
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.
Casey O'Neill
| Competition tier | W | L |
|---|---|---|
| Tier 1 — UFC / DWCS / PFL / Bellator / ONE / Rizin | 6 | 2 |
| Tier 3 — regional circuit | 5 | 0 |
Tier-weighted record quality: 1.57 · 6 tier-1/2 wins · 6 finish wins over 13 documented bouts
In the UFC: 2-0 against opponents who walked in above .500 · avg opponent walk-in record +0.0 wins over .500
Ariane da Silva
| Competition tier | W | L |
|---|---|---|
| Tier 1 — UFC / DWCS / PFL / Bellator / ONE / Rizin | 7 | 9 |
| Tier 3 — regional circuit | 11 | 3 |
Tier-weighted record quality: 0.57 · 7 tier-1/2 wins · 10 finish wins over 30 documented bouts
In the UFC: 4-5 against opponents who walked in above .500 · avg opponent walk-in record +1.2 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)
Casey O'Neill
Distance 87.0% (norm 87.6%) · Clinch 3.2% (norm 7.3%) · Ground 9.8% (norm 4.9%)
Ariane da Silva
Distance 88.2% (norm 87.6%) · Clinch 7.7% (norm 7.3%) · Ground 4.1% (norm 4.9%)
What they throw (share of sig. strike attempts by target)
Casey O'Neill
Head 85.4% (norm 78.1%) · Body 9.3% (norm 14.2%) · Legs 5.2% (norm 7.7%)
Ariane da Silva
Head 69.9% (norm 78.1%) · Body 22.5% (norm 14.2%) · Legs 7.6% (norm 7.7%)
Zone accuracy matrix Landed / attempted by zone
Green ≥ division median, red below. UFCStats tracks position and target as separate splits.
| Zone | O'Neill L/A | Acc | Women's Flyweight med | Silva L/A | Acc | Women's Flyweight med |
|---|---|---|---|---|---|---|
| BY POSITION | ||||||
| At distance | 550 / 1129 | 48.7% | 39.9% | 514 / 1393 | 36.9% | 39.9% |
| In the clinch | 31 / 41 | 75.6% | 73.3% | 91 / 122 | 74.6% | 73.3% |
| On the ground | 96 / 127 | 75.6% | 74.7% | 45 / 65 | 69.2% | 74.7% |
| BY TARGET | ||||||
| To the head | 519 / 1108 | 46.8% | 34.9% | 321 / 1104 | 29.1% | 34.9% |
| To the body | 94 / 121 | 77.7% | 69.5% | 251 / 356 | 70.5% | 69.5% |
| To the legs | 64 / 68 | 94.1% | 82.6% | 78 / 120 | 65.0% | 82.6% |
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 (Women's Flyweight: 46 fighters · Women's Flyweight: 46 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 O'Neill L/A | Opp acc | Women's Flyweight med | vs Silva L/A | Opp acc | Women's Flyweight med |
|---|---|---|---|---|---|---|
| BY POSITION | ||||||
| At distance | 383 / 1004 | 38.1% | 38.8% | 524 / 1185 | 44.2% | 38.8% |
| In the clinch | 63 / 80 | 78.8% | 74.1% | 65 / 81 | 80.2% | 74.1% |
| On the ground | 29 / 36 | 80.6% | 73.4% | 116 / 160 | 72.5% | 73.4% |
| BY TARGET | ||||||
| To the head | 353 / 975 | 36.2% | 35.3% | 431 / 1056 | 40.8% | 35.3% |
| To the body | 88 / 108 | 81.5% | 69.0% | 130 / 196 | 66.3% | 69.0% |
| To the legs | 34 / 37 | 91.9% | 78.7% | 144 / 174 | 82.8% | 78.7% |
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 — Silva has more cage time on record.