UFC 75: Champion vs Champion
London, United Kingdom
8 Sept 2007
Lightweight
VS
93%
Siver
7%
Kotani
Win Probability
KO/TKO
Round 2 · 2:04
Combatrics Intelligence
Data-driven breakdown · fighter metrics
Edge: Siver
Siver is a strong favourite at 93% win probability per the CFR ratings. The data points decisively in one direction.
Key angles
The CFR gap of 13 points suggests a clear performance difference on paper.
Siver has beaten significantly higher-quality opposition — a QoV edge of 37 points.
Striking split: Siver throws more volume but Kotani connects at a higher rate — quality vs quantity.
Risk flags
Siver's chin rating of 4 flags durability concerns based on KO history.
Kotani has a chin rating of 40 — a potential KO vulnerability.
Siver
Kotani
Physical Matchup
Height · Reach · Age · Stance
5'6"
Height
+5'8"
70"+
Reach
66"
47
Age
+44
Orthodox
Stance
Southpaw
Siver
Kotani
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
14.3
1.1
46.1
Performance Avg
0.0
37
Quality of Victory
0
43
Momentum Score
0
Siver
Kotani
Striking
Significant strikes per minute & accuracy
1.5
0.6
34%
Strike Accuracy
37%
3.7
Striking Style Score (/10)
0.0
3 KOs
KO Finishes
0 KOs
Strike targetStrike target
11
Head
2
0
Body
0
0
Leg
4
RangeRange
6Distance6
2Clinch0
3Ground0
Siver
Kotani
Grappling
Takedowns, submissions & wrestling
—
—
0.1
Sub Attempts / fight
0.3
2.7
Grappling Style Score (/10)
0.0
1.9
Wrestling Style Score (/10)
0.0
0:00
Control Time (this fight)
0:00
0
Reversals
0
Siver
Kotani
Durability / Chin
Resilience against knockouts and stoppages
4
40
KO risk
Verdict
2 consec. KOs
3
KO/TKO Losses
2
2
Sub Losses
1
Avg R2.0 stoppage
KO round context
Avg R2.0 stoppage
2 fights ago
Last KO loss
2 fights ago
—
Strikes absorbed / min
—
21/34 fights
Chin rating based on
5/48 fights
Siver
Kotani
Form & Momentum
Recent fight performance — most recent weighted 30%
43
0
Current form
5-fight 📉 slide
W · Dec · R3
L · Dec · R3
L · KO · R2
W · Dec · R3
Upcoming
Last 5
L · Dec · R3
L · Sub · R2
L · KO · R2
L · KO · R2
L · Dec · R3
Siver
Kotani
Finish Rate
Percentage of wins by KO/TKO or Submission
42%
0%
3
KO / TKO Wins
0
2
Submission Wins
0
7
Decision Wins
0
Style Fingerprint
Combatrics radar — 6 fighting dimensions scored 0–10
Siver
Kotani
Fighter 1
Fighter 2
3.7
Striking
KO power & stand-up volume
0.0
2.7
Grappling
Ground control & clinch
0.0
1.9
Wrestling
Takedown threat & defence
0.0
1.7
Submission
Submission attack frequency
0.0
4.7
Pressure
Clinch/ground work rate
0.0
5.9
Volume
Decision-pace fighting
0.0
SiverKotani
Strike Zones
Siver
Attacking
11 landedAbsorbing
6 absorbedKotani
Attacking
6 landedAbsorbing
11 absorbedTargeting Overlap
🎯Siver targets the head (100% of attacks) — Kotani absorbs 100% of strikes there
🎯Kotani targets the legs (67% of attacks) — Siver absorbs 67% of strikes there
Round by Round
This fight · per-round breakdown
Siver
RND
Kotani
0/0R00/0
0/0R10/0
Siver · QOF Timeline
Avg: 4.3WinLossTrend
Kotani · QOF Timeline
Avg: 3.9WinLossTrend
Siver · Last 5
W · Dec · R3
BJ PennRating 4.5Decision
UFC Fight Night: Chiesa vs. Lee · 2017-06
L · Dec · R3
Tatsuya KawajiriRating 5.5Decision
UFC Fight Night: Jedrzejczyk vs Penne · 2015-06
L · KO · R2
Conor McGregorRating 4.1KO/TKO
UFC Fight Night: McGregor vs Siver · 2015-01
W · Dec · R3
Charles RosaRating 4.5Decision
UFC Fight Night: Nelson vs Story · 2014-10
Upcoming
Manvel GamburyanUFC 168: Weidman vs Silva 2 · 2013-12
Kotani · Last 5
L · Dec · R3
Kajan JohnsonRating 5.5Decision
UFC Fight Night: Barnett vs Nelson · 2015-09
L · Sub · R2
Yan CabralRating 2.8Submission
UFC 179: Aldo vs Mendes 2 · 2014-10
L · KO · R2
Norman ParkeRating 2.8KO/TKO
UFC Fight Night: McGregor vs Brandao · 2014-07
L · KO · R2
Dennis SiverRating 2.8KO/TKO
UFC 75: Champion vs Champion · 2007-09
L · Dec · R3
Thiago TavaresRating 5.5Decision
UFC Fight Night: Stevenson vs Guillard · 2007-04