Daria Zhelezniakova vs.
Ailin Perez
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.
Daria Zhelezniakova
Full career not yet synced for Daria Zhelezniakova — tier grading appears once their record documentation lands (refreshes weekly).
In the UFC: 2-1 against opponents who walked in above .500 · avg opponent walk-in record +1.0 wins over .500
Ailin Perez
| Competition tier | W | L |
|---|---|---|
| Tier 1 — UFC / DWCS / PFL / Bellator / ONE / Rizin | 6 | 1 |
| Tier 3 — regional circuit | 7 | 1 |
Tier-weighted record quality: 1.39 · 6 tier-1/2 wins · 6 finish wins over 15 documented bouts
In the UFC: 4-0 against opponents who walked in above .500 · avg opponent walk-in record +0.6 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)
Daria Zhelezniakova
Distance 95.6% (norm 80.3%) · Clinch 4.2% (norm 9.7%) · Ground 0.2% (norm 7.5%)
Ailin Perez
Distance 59.8% (norm 80.3%) · Clinch 13.2% (norm 9.7%) · Ground 27.0% (norm 7.5%)
What they throw (share of sig. strike attempts by target)
Daria Zhelezniakova
Head 80.9% (norm 75.2%) · Body 18.3% (norm 14.3%) · Legs 0.8% (norm 8.8%)
Ailin Perez
Head 67.0% (norm 75.2%) · Body 17.6% (norm 14.3%) · Legs 15.4% (norm 8.8%)
Zone accuracy matrix Landed / attempted by zone
Green ≥ division median, red below. UFCStats tracks position and target as separate splits.
| Zone | Zhelezniakova L/A | Acc | Women's Bantamweight med | Perez L/A | Acc | Women's Bantamweight med |
|---|---|---|---|---|---|---|
| BY POSITION | ||||||
| At distance | 188 / 481 | 39.1% | 38.3% | 123 / 272 | 45.2% | 38.3% |
| In the clinch | 13 / 21 | too few to rate | 73.3% | 44 / 60 | 73.3% | 73.3% |
| On the ground | 1 / 1 | too few to rate | 70.8% | 89 / 123 | 72.4% | 70.8% |
| BY TARGET | ||||||
| To the head | 137 / 407 | 33.7% | 37.7% | 151 / 305 | 49.5% | 37.7% |
| To the body | 61 / 92 | 66.3% | 70.0% | 56 / 80 | 70.0% | 70.0% |
| To the legs | 4 / 4 | too few to rate | 80.9% | 49 / 70 | 70.0% | 80.9% |
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 Bantamweight: 40 fighters · Women's Bantamweight: 40 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 Zhelezniakova L/A | Opp acc | Women's Bantamweight med | vs Perez L/A | Opp acc | Women's Bantamweight med |
|---|---|---|---|---|---|---|
| BY POSITION | ||||||
| At distance | 132 / 404 | 32.7% | 41.3% | 95 / 267 | 35.6% | 41.3% |
| In the clinch | 21 / 37 | 56.8% | 74.7% | 23 / 31 | 74.2% | 74.7% |
| On the ground | 12 / 19 | too few to rate | 74.2% | 22 / 24 | too few to rate | 74.2% |
| BY TARGET | ||||||
| To the head | 118 / 386 | 30.6% | 38.1% | 65 / 217 | 30.0% | 38.1% |
| To the body | 28 / 50 | 56.0% | 73.2% | 31 / 49 | 63.3% | 73.2% |
| To the legs | 19 / 24 | too few to rate | 80.9% | 44 / 56 | 78.6% | 80.9% |
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 — Perez has more cage time on record.