UFC 129: St-Pierre vs Shields
Toronto, Canada
30 Apr 2011
Welterweight
VS
50%
Ellenberger
50%
Pierson
Win Probability
KO/TKO
Round 1 · 2:42
JE
Jake Ellenberger
"The Juggernaut"
31 – 15
5'9"71" reachOrthodox41 yrs4-fight slideWell-Rounded
CFR 16
SP
Sean Pierson
"The Punisher"
14 – 6
Well-Rounded3-fight win streak50 yrsSouthpaw76" reach6'0"
CFR 16

Combatrics Intelligence

Data-driven breakdown · fighter metrics

Edge: Ellenberger

This is a genuine toss-up — Ellenberger at 50% vs Pierson at 50% (CFR ratings). One of the hardest fights to call on the card.

Key angles

Ellenberger has beaten significantly higher-quality opposition — a QoV edge of 20 points.

Ellenberger has the striking edge in both volume and accuracy.

Risk flags

Ellenberger's chin rating of 0 flags durability concerns based on KO history.

Ellenberger
Pierson
Physical Matchup
Height · Reach · Age · Stance
5'9"
Height
+6'0"
71"
Reach
+76"
41+
Age
50
Orthodox
Stance
Southpaw
Ellenberger
Pierson
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
15.7
15.6
45.7
Performance Avg
41.7
45
Quality of Victory
25
56
Momentum Score
65
Ellenberger
Pierson
Striking
Significant strikes per minute & accuracy
1.2
1.1
42%
Strike Accuracy
34%
6.0
Striking Style Score (/10)
1.3
5 KOs
KO Finishes
0 KOs
Strike targetStrike target
6
Head
3
1
Body
0
2
Leg
0
RangeRange
7Distance3
1Clinch0
1Ground0
Ellenberger
Pierson
Grappling
Takedowns, submissions & wrestling
—
—
0.2
Sub Attempts / fight
0.2
1.5
Grappling Style Score (/10)
2.4
1.1
Wrestling Style Score (/10)
1.7
0:00
Control Time (this fight)
0:00
0
Reversals
0
Ellenberger
Pierson
Durability / Chin
Resilience against knockouts and stoppages
0
76
4 consec. KOs
Verdict
Moderate
7
KO/TKO Losses
1
1
Sub Losses
0
Avg R1.6 stoppage
KO round context
Avg R1.0 stoppage
Most recent fight
Last KO loss
4 fights ago
—
Strikes absorbed / min
—
21/46 fights
Chin rating based on
6/20 fights
Ellenberger
Pierson
Form & Momentum
Recent fight performance — most recent weighted 30%
56
65
4-fight 📉 slide
Current form
3-fight 🔥 win streak
L · KO · R1
L · KO · R1
L · KO · R2
L · KO · R1
W · KO · R1
Last 5
W · Dec · R3
W · Dec · R3
W · Dec · R3
L · Dec · R3
L · KO · R1
Ellenberger
Pierson
Finish Rate
Percentage of wins by KO/TKO or Submission
60%
0%
5
KO / TKO Wins
0
1
Submission Wins
0
4
Decision Wins
4

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

Ellenberger
Pierson
Striking6.0 / 1.3Volume3.4 / 9.3Grappling1.5 / 2.4Wrestling1.1 / 1.7Submission1.0 / 0.0Pressure5.6 / 2.0
Fighter 1
Fighter 2
6.0
Striking
KO power & stand-up volume
1.3
1.5
Grappling
Ground control & clinch
2.4
1.1
Wrestling
Takedown threat & defence
1.7
1.0
Submission
Submission attack frequency
0.0
5.6
Pressure
Clinch/ground work rate
2.0
3.4
Volume
Decision-pace fighting
9.3
Ellenberger
Strike Zones
Pierson
Ellenberger
Attacking
6HEAD1BODY2LEGS9 landed
Absorbing
3HEAD0BODY0LEGS3 absorbed
Pierson
Attacking
3HEAD0BODY0LEGS3 landed
Absorbing
6HEAD1BODY2LEGS9 absorbed
Targeting Overlap
🎯Ellenberger targets the head (67% of attacks) — Pierson absorbs 67% of strikes there
🎯Pierson targets the head (100% of attacks) — Ellenberger absorbs 100% of strikes there

Round by Round

This fight · per-round breakdown

Ellenberger
RND
Pierson
0/0R00/0
0/0R10/0

Ellenberger · QOF Timeline

Avg: 4.0
0105.5L5.2W4.5W4.5W5.0W5.0W4.5W2.1L4.5W5.0W5.5L4.3L1.8L5.2W2.1L5.5L5.4W1.5L2.8L1.5L1.9L2009-092012-022014-112017-042018-08
WinLossTrend

Pierson · QOF Timeline

Avg: 4.2
0104.5W1.5L5.5L4.5W4.5W4.5W2010-122011-042011-122012-062012-092013-06
WinLossTrend

Ellenberger · Last 5

L · KO · R1
Bryan BarberenaRating 1.9
KO/TKO
UFC Fight Night: Gaethje vs. Vick · 2018-08
L · KO · R1
Ben SaundersRating 1.5
KO/TKO
UFC Fight Night: Rivera vs. Moraes · 2018-06
L · KO · R2
Mike PerryRating 2.8
KO/TKO
UFC Fight Night: Swanson vs. Lobov · 2017-04
L · KO · R1
Jorge MasvidalRating 1.5
KO/TKO
The Ultimate Fighter: Tournament of Champions Finale · 2016-12
W · KO · R1
Matt BrownRating 5.4
KO/TKO
UFC 201: Lawler vs. Woodley · 2016-07

Pierson · Last 5

W · Dec · R3
Kenny RobertsonRating 4.5
Decision
UFC 161: Evans vs Henderson · 2013-06
W · Dec · R3
Lance BenoistRating 4.5
Decision
UFC 152: Jones vs Belfort · 2012-09
W · Dec · R3
Jake HechtRating 4.5
Decision
UFC on FX: Johnson vs McCall · 2012-06
L · Dec · R3
Dong Hyun KimRating 5.5
Decision
UFC 141: Lesnar vs Overeem · 2011-12
L · KO · R1
Jake EllenbergerRating 1.5
KO/TKO
UFC 129: St-Pierre vs Shields · 2011-04

News & Media

Jake Ellenberger · Sean Pierson
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