METRICS GUIDE
Every stat on this page, explained
All stats are calculated from official fight data. Style scores are Combatrics proprietary ratings updated after every event.
UFC 83: Serra vs St-Pierre 2
Montreal, Canada
19 Apr 2008
Middleweight
VS
45%
Day
55%
Belcher
Win Probability
KO/TKO
Round 1 · 3:58
★ Official Result
Jason DaywinsKO/TKOR1 · 3:58
def. Alan Belcher · UFC 83: Serra vs St-Pierre 2
Fight Report
Pre-fight analysis · prediction vs result
Prediction vs Result
We predicted
Belcher
→
Actual result
Day wins
KO/TKO · R1
Pre-fight analysis
This is a genuine toss-up — Day at 45% vs Belcher at 55% (CFR ratings). One of the hardest fights to call on the card.
Key angles
Day has beaten significantly higher-quality opposition — a QoV edge of 12 points.
Day has the striking edge in both volume and accuracy.
Risk flags
Day's chin rating of 56 flags durability concerns based on KO history.
Belcher has a chin rating of 58 — a potential KO vulnerability.
This Fight — Statistics
Actual stats from this bout
DayBelcher
0
Sig. Strikes
0
0.0
Strikes / min (SLpM)
0.0
—
Strike Accuracy
—
Day
Belcher
Physical Matchup
Height · Reach · Age · Stance
6'0"
Height
+6'2"
72"
Reach
+75"
45
Age
+42
Orthodox
Stance
Orthodox
Day
Belcher
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
18.6
22.4
49.3
Performance Avg
53.0
60
Quality of Victory
48
43
Momentum Score
100
Day
Belcher
Striking
Career averages · see This Fight stats above
5.6
1.4
53%
Strike Accuracy
43%
10.0
Striking Style Score (/10)
5.6
1 KOs
KO Finishes
4 KOs
Strike targetStrike target
24
Head
1
4
Body
2
1
Leg
0
RangeRange
12Distance2
17Clinch0
0Ground1
Day
Belcher
Grappling
Career averages · see This Fight stats above
—
—
—
Sub Attempts / fight
0.1
0.0
Grappling Style Score (/10)
2.9
0.0
Wrestling Style Score (/10)
2.0
0:00
Control Time (this fight)
0:00
0
Reversals
0
Day
Belcher
Durability / Chin
Resilience against knockouts and stoppages
56
58
2 consec. KOs
Verdict
KO risk
2
KO/TKO Losses
1
0
Sub Losses
1
Avg R1.0 stoppage
KO round context
Avg R1.0 stoppage
Most recent fight
Last KO loss
9 fights ago
—
Strikes absorbed / min
—
3/31 fights
Chin rating based on
15/26 fights
Day
Belcher
Form & Momentum
Recent fight performance — most recent weighted 30%
43
100
2-fight 📉 slide
Current form
2-fight 📉 slide
L · KO · R1
L · KO · R1
W · KO · R1
Last 5
L · Dec · R3
L · Dec · R3
W · KO · R1
W · KO · R1
W · Sub · R2
Day
Belcher
Finish Rate
Percentage of wins by KO/TKO or Submission
100%
78%
1
KO / TKO Wins
4
0
Submission Wins
3
0
Decision Wins
2
Style Fingerprint
Combatrics radar — 6 fighting dimensions scored 0–10
Day
Belcher
Fighter 1
Fighter 2
10.0
Striking
KO power & stand-up volume
5.6
0.0
Grappling
Ground control & clinch
2.9
0.0
Wrestling
Takedown threat & defence
2.0
0.0
Submission
Submission attack frequency
3.3
8.0
Pressure
Clinch/ground work rate
7.2
0.7
Volume
Decision-pace fighting
2.1
DayBelcher
Strike Zones
Day
Attacking
29 landedAbsorbing
3 absorbedBelcher
Attacking
3 landedAbsorbing
29 absorbedTargeting Overlap
🎯Day targets the head (83% of attacks) — Belcher absorbs 83% of strikes there
🎯Belcher targets the body (67% of attacks) — Day absorbs 67% of strikes there
Round by Round
This fight · per-round breakdown
Day
RND
Belcher
0/0R00/0
Day · QOF Timeline
Avg: 2.7WinLossTrend
Belcher · QOF Timeline
Avg: 4.7WinLossTrend
Day · Last 3
L · KO · R1
Kendall GroveRating 1.5KO/TKO
UFC 96: Jackson vs Jardine · 2009-03
L · KO · R1
Michael BispingRating 1.5KO/TKO
UFC 85: Bedlam · 2008-06
W · KO · R1
Alan BelcherRating 5KO/TKO
UFC 83: Serra vs St-Pierre 2 · 2008-04
Belcher · Last 5
L · Dec · R3
Michael BispingRating 5.5Decision
UFC 159: Jones vs Sonnen · 2013-04
L · Dec · R3
Yushin OkamiRating 5.5Decision
UFC 155: Dos Santos vs Velasquez II · 2012-12
W · KO · R1
Rousimar PalharesRating 5KO/TKO
UFC on FOX: Diaz vs Miller · 2012-05
W · KO · R1
Jason MacDonaldRating 5KO/TKO
UFC Fight Night: Shields vs Ellenberger · 2011-09
W · Sub · R2
Patrick CoteRating 5.2Submission
UFC 113: Machida vs Shogun 2 · 2010-05