UFC 83: Serra vs St-Pierre 2
Montreal, Canada
19 Apr 2008
Middleweight
VS
60%
MacDonald
40%
Doerksen
Win Probability
KO/TKO
Round 2 · 0:54
JM
Jason MacDonald
"The Athlete"
25 – 16
6'3"80" reachOrthodox50 yrs2-fight slidePressure Fighter
CFR 17
JD
Joe Doerksen
"El Dirte"
51 – 16
Submission Hunter2-fight slide48 yrsOrthodox75" reach6'0"
CFR 12

Combatrics Intelligence

Data-driven breakdown · fighter metrics

Edge: MacDonald

MacDonald holds a meaningful edge at 60% per the CFR ratings — but Doerksen has real paths to victory.

Key angles

MacDonald has the striking edge in both volume and accuracy.

Risk flags

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

Doerksen has a chin rating of 16 — a potential KO vulnerability.

MacDonald
Doerksen
Physical Matchup
Height · Reach · Age · Stance
6'3"+
Height
6'0"
80"+
Reach
75"
50
Age
+48
Orthodox
Stance
Orthodox
MacDonald
Doerksen
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
17.3
11.7
48.8
Performance Avg
37.2
53
Quality of Victory
47
52
Momentum Score
0
MacDonald
Doerksen
Striking
Significant strikes per minute & accuracy
0.7
0.3
51%
Strike Accuracy
47%
4.2
Striking Style Score (/10)
0.4
2 KOs
KO Finishes
0 KOs
Strike targetStrike target
8
Head
1
0
Body
0
1
Leg
1
RangeRange
0Distance2
1Clinch0
8Ground0
MacDonald
Doerksen
Grappling
Takedowns, submissions & wrestling
—
—
0.4
Sub Attempts / fight
0.2
5.3
Grappling Style Score (/10)
8.0
3.7
Wrestling Style Score (/10)
5.6
0:00
Control Time (this fight)
0:00
0
Reversals
0
MacDonald
Doerksen
Durability / Chin
Resilience against knockouts and stoppages
0
16
3 consec. KOs
Verdict
2 consec. KOs
6
KO/TKO Losses
3
1
Sub Losses
1
Avg R1.2 stoppage
KO round context
Avg R2.3 stoppage
Most recent fight
Last KO loss
3 fights ago
—
Strikes absorbed / min
—
14/41 fights
Chin rating based on
9/67 fights
MacDonald
Doerksen
Form & Momentum
Recent fight performance — most recent weighted 30%
52
0
2-fight 📉 slide
Current form
2-fight 📉 slide
L · KO · R1
L · KO · R1
W · Sub · R1
L · KO · R1
L · KO · R1
Last 5
L · Dec · R3
L · Sub · R1
W · Sub · R2
L · KO · R2
L · KO · R3
MacDonald
Doerksen
Finish Rate
Percentage of wins by KO/TKO or Submission
100%
100%
2
KO / TKO Wins
0
4
Submission Wins
2
0
Decision Wins
0

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

MacDonald
Doerksen
Striking4.2 / 0.4Volume0.9 / 0.4Grappling5.3 / 8.0Wrestling3.7 / 5.6Submission6.7 / 10.0Pressure8.3 / 7.7
Fighter 1
Fighter 2
4.2
Striking
KO power & stand-up volume
0.4
5.3
Grappling
Ground control & clinch
8.0
3.7
Wrestling
Takedown threat & defence
5.6
6.7
Submission
Submission attack frequency
10.0
8.3
Pressure
Clinch/ground work rate
7.7
0.9
Volume
Decision-pace fighting
0.4
MacDonald
Strike Zones
Doerksen
MacDonald
Attacking
8HEAD0BODY1LEGS9 landed
Absorbing
1HEAD0BODY1LEGS2 absorbed
Doerksen
Attacking
1HEAD0BODY1LEGS2 landed
Absorbing
8HEAD0BODY1LEGS9 absorbed
Targeting Overlap
🎯MacDonald targets the head (89% of attacks) — Doerksen absorbs 89% of strikes there
🎯Doerksen targets the head (50% of attacks) — MacDonald absorbs 50% of strikes there

Round by Round

This fight · per-round breakdown

MacDonald
RND
Doerksen
0/0R00/0

MacDonald · QOF Timeline

Avg: 3.6
0105.2W5.2W2.8L5.2W5.5L5.2W4.0L5.2W1.5L1.5L1.5L5.0W1.5L1.5L2006-102007-102008-122011-092012-05
WinLossTrend

Doerksen · QOF Timeline

Avg: 4.3
0102.8L5.5W5.5L5.5L4.2L2.8L5.2W1.5L5.5L2004-082006-032010-052010-12
WinLossTrend

MacDonald · Last 5

L · KO · R1
Tom LawlorRating 1.5
KO/TKO
UFC on FUEL TV: Korean Zombie vs Poirier · 2012-05
L · KO · R1
Alan BelcherRating 1.5
KO/TKO
UFC Fight Night: Shields vs Ellenberger · 2011-09
W · Sub · R1
Ryan JensenRating 5
Submission
UFC 129: St-Pierre vs Shields · 2011-04
L · KO · R1
John SalterRating 1.5
KO/TKO
UFC 113: Machida vs Shogun 2 · 2010-05
L · KO · R1
Nate QuarryRating 1.5
KO/TKO
UFC 97: Redemption · 2009-04

Doerksen · Last 5

L · Dec · R3
Dan MillerRating 5.5
Decision
UFC 124: St-Pierre vs Koscheck 2 · 2010-12
L · Sub · R1
CB DollawayRating 1.5
Submission
UFC 119: Mir vs Cro Cop · 2010-09
W · Sub · R2
Tom LawlorRating 5.2
Submission
UFC 113: Machida vs Shogun 2 · 2010-05
L · KO · R2
Jason MacDonaldRating 2.8
KO/TKO
UFC 83: Serra vs St-Pierre 2 · 2008-04
L · KO · R3
Ed HermanRating 4.2
KO/TKO
UFC 78: Validation · 2007-11

News & Media

Jason MacDonald · Joe Doerksen
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