BOUTSCOUT
Matchup deep-dive

SeungWoo Choi vs.
Jarno Errens

Two full careers, measured against each man's own division and against each other — the tape, the read, and every number behind them.

4-7-0 SeungWoo Choi · UFC
1-3-0 Jarno Errens · UFC
Tale of the tape

The men, measured.

Frame, age, layoff and recent form — green marks the edge on each line.

4-7-0
UFC record
1-3-0
Featherweight
Division (benchmark)
Featherweight
33.8
AgeΔ 2.1 yrs
31.7
6'0"
HeightΔ 1"
5'11"
74"
ReachΔ 1"
73"
Orthodox
Stance
Orthodox
16.7
Layoff (months)Δ 7.2 mo
23.9
LLWLL
Last 5 (newest first)
LWLL
The read

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.

SeungWoo Choi carries real power — 0.69 knockdowns per 15 minutes, vs a 0.29 Featherweight norm.
Jarno Errens carries real power — 0.61 knockdowns per 15 minutes, vs a 0.29 Featherweight norm.
Jarno Errens rarely shoots — 0.00 takedowns per 15 minutes, vs a 1.19 Featherweight norm.
Level of competition

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.

SeungWoo Choi

Competition tierWL
Tier 1 — UFC / DWCS / PFL / Bellator / ONE / Rizin 47
Tier 3 — regional circuit 71

Tier-weighted record quality: 0.44 · 4 tier-1/2 wins · 6 finish wins over 19 documented bouts

In the UFC: 1-2 against opponents who walked in above .500 · avg opponent walk-in record +0.4 wins over .500

Jarno Errens

Full career not yet synced for Jarno Errens — tier grading appears once their record documentation lands (refreshes weekly).

In the UFC: 0-1 against opponents who walked in above .500 · avg opponent walk-in record -0.2 wins over .500

Striking

The stand-up battle.

Career totals; norms are the medians of each man's own division.

Significant strikes — landed & absorbed

3843.56/min · norm 3.54
Sig. strikes landed
1613.29/min · norm 3.54
3413.16/min · norm 3.47
Sig. strikes absorbed
1613.29/min · norm 3.47
38.9%norm 45.0%
Striking accuracy
44.5%norm 45.0%
47.0%norm 54.85%
Striking defense
61.9%norm 54.85%
50.69/15 · norm 0.29
Knockdowns
20.61/15 · norm 0.29

Where the fight happens (share of sig. strike attempts)

SeungWoo Choi

Distance 82.6% (norm 85.7%) · Clinch 10.0% (norm 6.1%) · Ground 7.4% (norm 6.5%)

Jarno Errens

Distance 96.4% (norm 85.7%) · Clinch 3.3% (norm 6.1%) · Ground 0.3% (norm 6.5%)

What they throw (share of sig. strike attempts by target)

SeungWoo Choi

Head 77.1% (norm 77.4%) · Body 13.6% (norm 12.9%) · Legs 9.3% (norm 7.8%)

Jarno Errens

Head 66.3% (norm 77.4%) · Body 19.1% (norm 12.9%) · Legs 14.6% (norm 7.8%)

Zone accuracy matrix Landed / attempted by zone

Green ≥ division median, red below. UFCStats tracks position and target as separate splits.

Zone Choi L/AAccFeatherweight med Errens L/AAccFeatherweight med
BY POSITION
At distance 270 / 815 33.1% 40.9% 154 / 349 44.1% 40.9%
In the clinch 67 / 99 67.7% 70.8% 7 / 12 too few to rate 70.8%
On the ground 47 / 73 64.4% 69.2% 0 / 1 too few to rate 69.2%
BY TARGET
To the head 230 / 761 30.2% 37.2% 77 / 240 32.1% 37.2%
To the body 84 / 134 62.7% 68.2% 46 / 69 66.7% 68.2%
To the legs 70 / 92 76.1% 80.7% 38 / 53 71.7% 80.7%

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 (Featherweight: 126 fighters · Featherweight: 126 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 Choi L/AOpp accFeatherweight med vs Errens L/AOpp accFeatherweight med
BY POSITION
At distance 240 / 519 46.2% 39.2% 147 / 400 36.8% 39.2%
In the clinch 40 / 51 78.4% 70.3% 5 / 7 too few to rate 70.3%
On the ground 61 / 74 82.4% 69.4% 9 / 16 too few to rate 69.4%
BY TARGET
To the head 211 / 461 45.8% 35.9% 85 / 301 28.2% 35.9%
To the body 66 / 104 63.5% 67.9% 27 / 50 54.0% 67.9%
To the legs 64 / 79 81.0% 81.5% 49 / 72 68.1% 81.5%
Grappling

The ground war.

Takedowns, control and submissions — career totals with each man's per-minute rates against his division norm.

654.5% acc · 0.83/15 · norm 1.19
Takedowns landed
00.0% acc · 0.00/15 · norm 1.19
3170.5% def · norm 61.5%
Takedowns stopped
333.3% def · norm 61.5%
19:4118.2% of cage time · norm 16.7%
Control time
2:034.2% of cage time · norm 16.7%
27:043:45 per 15 · norm 3:12
Time under control
14:564:35 per 15 · norm 3:12
00.00/15 · norm 0.46
Submission attempts
10.31/15 · norm 0.46

Bars compare the two men's rates (per-minute / per-15 figures), not raw totals — Choi has more cage time on record.

Next move

Let the engine settle it.