UFC on FOX: Henderson vs Diaz
Seattle, USA
8 Dec 2012
Featherweight
VS
57%
Siver
43%
Phan
Win Probability
Decision
Round 3 · 5:00
DS
Dennis Siver
23 – 11
5'6"70" reachOrthodox47 yrsWell-Rounded
CFR 14
NP
Nam Phan
21 – 17
Well-Rounded3-fight slide43 yrsOrthodox70" reach5'6"
CFR 11

Combatrics Intelligence

Data-driven breakdown · fighter metrics

Edge: Siver

This is a genuine toss-up — Siver at 57% vs Phan at 43% (CFR ratings). One of the hardest fights to call on the card.

Key angles

Siver has beaten significantly higher-quality opposition — a QoV edge of 12 points.

Phan has the striking edge in both volume and accuracy.

Risk flags

Siver's chin rating of 4 flags durability concerns based on KO history.

Siver
Phan
Physical Matchup
Height · Reach · Age · Stance
5'6"
Height
5'6"
70"
Reach
70"
47
Age
+43
Orthodox
Stance
Orthodox
Siver
Phan
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
14.3
10.6
46.1
Performance Avg
25.0
37
Quality of Victory
25
43
Momentum Score
35
Siver
Phan
Striking
Significant strikes per minute & accuracy
1.5
1.9
34%
Strike Accuracy
39%
3.7
Striking Style Score (/10)
0.5
3 KOs
KO Finishes
0 KOs
Strike targetStrike target
24
Head
1
4
Body
0
1
Leg
0
RangeRange
4Distance1
0Clinch0
25Ground0
Siver
Phan
Grappling
Takedowns, submissions & wrestling
—
—
0.1
Sub Attempts / fight
—
2.7
Grappling Style Score (/10)
2.4
1.9
Wrestling Style Score (/10)
1.7
0:00
Control Time (this fight)
0:00
0
Reversals
0
Siver
Phan
Durability / Chin
Resilience against knockouts and stoppages
4
88
KO risk
Verdict
Never stopped
3
KO/TKO Losses
0
2
Sub Losses
0
Avg R2.0 stoppage
KO round context
—
2 fights ago
Last KO loss
—
—
Strikes absorbed / min
—
21/34 fights
Chin rating based on
8/38 fights
Siver
Phan
Form & Momentum
Recent fight performance — most recent weighted 30%
43
35
Current form
3-fight 📉 slide
W · Dec · R3
L · Dec · R3
L · KO · R2
W · Dec · R3
Upcoming
Last 5
L · Dec · R3
L · Dec · R3
L · Dec · R3
W · Dec · R3
L · Dec · R3
Siver
Phan
Finish Rate
Percentage of wins by KO/TKO or Submission
42%
0%
3
KO / TKO Wins
0
2
Submission Wins
0
7
Decision Wins
2

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

Siver
Phan
Striking3.7 / 0.5Volume5.9 / 8.5Grappling2.7 / 2.4Wrestling1.9 / 1.7Submission1.7 / 0.0Pressure4.7 / 0.8
Fighter 1
Fighter 2
3.7
Striking
KO power & stand-up volume
0.5
2.7
Grappling
Ground control & clinch
2.4
1.9
Wrestling
Takedown threat & defence
1.7
1.7
Submission
Submission attack frequency
0.0
4.7
Pressure
Clinch/ground work rate
0.8
5.9
Volume
Decision-pace fighting
8.5
Siver
Strike Zones
Phan
Siver
Attacking
24HEAD4BODY1LEGS29 landed
Absorbing
1HEAD0BODY0LEGS1 absorbed
Phan
Attacking
1HEAD0BODY0LEGS1 landed
Absorbing
24HEAD4BODY1LEGS29 absorbed
Targeting Overlap
🎯Siver targets the head (83% of attacks) — Phan absorbs 83% of strikes there
🎯Phan targets the head (100% of attacks) — Siver absorbs 100% of strikes there

Round by Round

This fight · per-round breakdown

Siver
RND
Phan
0/0R00/0

Siver · QOF Timeline

Avg: 4.3
0101.5L5.2W5.5L1.5L5.5W5.0W5.2W5.5L4.5W5.0W4.5W4.5W1.5L4.5W4.5W4.5L4.5W4.1L5.5L4.5W2007-042009-062011-022013-072017-06
WinLossTrend

Phan · QOF Timeline

Avg: 5.3
0105.5L5.5L4.5W5.5L4.5W5.5L5.5L5.5L2010-122011-102012-082013-122014-03
WinLossTrend

Siver · Last 5

W · Dec · R3
BJ PennRating 4.5
Decision
UFC Fight Night: Chiesa vs. Lee · 2017-06
L · Dec · R3
Tatsuya KawajiriRating 5.5
Decision
UFC Fight Night: Jedrzejczyk vs Penne · 2015-06
L · KO · R2
Conor McGregorRating 4.1
KO/TKO
UFC Fight Night: McGregor vs Siver · 2015-01
W · Dec · R3
Charles RosaRating 4.5
Decision
UFC Fight Night: Nelson vs Story · 2014-10
Upcoming
Manvel Gamburyan
UFC 168: Weidman vs Silva 2 · 2013-12

Phan · Last 5

L · Dec · R3
Vaughan LeeRating 5.5
Decision
UFC Fight Night: Kim vs Hathaway · 2014-03
L · Dec · R3
Takeya MizugakiRating 5.5
Decision
UFC Fight Night: Hunt vs Bigfoot · 2013-12
L · Dec · R3
Dennis SiverRating 5.5
Decision
UFC on FOX: Henderson vs Diaz · 2012-12
W · Dec · R3
Cole MillerRating 4.5
Decision
UFC on FOX: Shogun vs Vera · 2012-08
L · Dec · R3
Jimy HettesRating 5.5
Decision
UFC 141: Lesnar vs Overeem · 2011-12

News & Media

Dennis Siver · Nam Phan
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