UFC 127: Penn vs Fitch
Sydney, Australia
26 Feb 2011
Lightweight
VS
56%
Sotiropoulos
44%
Siver
Win Probability
Decision
Round 3 · 5:00
GS
George Sotiropoulos
147
5'10"71" reachOrthodox48 yrs4-fight slideWell-Rounded
CFR 18
DS
Dennis Siver
2311
Well-Rounded47 yrsOrthodox70" reach5'6"
CFR 14

Combatrics Intelligence

Data-driven breakdown · fighter metrics

Edge: Sotiropoulos

This is a genuine toss-up — Sotiropoulos at 56% vs Siver at 44% (CFR ratings). One of the hardest fights to call on the card.

Key angles

Siver has the striking edge in both volume and accuracy.

Risk flags

Sotiropoulos's chin rating of 52 flags durability concerns based on KO history.

Siver has a chin rating of 4 — a potential KO vulnerability.

Sotiropoulos
Siver
Physical Matchup
Height · Reach · Age · Stance
5'10"+
Height
5'6"
71"+
Reach
70"
48
Age
+47
Orthodox
Stance
Orthodox
Sotiropoulos
Siver
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
18.3
14.3
51.8
Performance Avg
46.1
44
Quality of Victory
37
51
Momentum Score
43
Sotiropoulos
Siver
Striking
Significant strikes per minute & accuracy
1.0
1.5
28%
Strike Accuracy
34%
2.7
Striking Style Score (/10)
3.7
1 KOs
KO Finishes
3 KOs
Strike targetStrike target
11
Head
16
1
Body
6
3
Leg
12
RangeRange
15Distance34
0Clinch0
0Ground0
Sotiropoulos
Siver
Grappling
Takedowns, submissions & wrestling
Sub Attempts / fight
0.1
5.3
Grappling Style Score (/10)
2.7
3.7
Wrestling Style Score (/10)
1.9
0:00
Control Time (this fight)
0:00
0
Reversals
0
Sotiropoulos
Siver
Durability / Chin
Resilience against knockouts and stoppages
52
4
2 consec. KOs
Verdict
KO risk
2
KO/TKO Losses
3
0
Sub Losses
2
Avg R2.0 stoppage
KO round context
Avg R2.0 stoppage
1 fight ago
Last KO loss
2 fights ago
Strikes absorbed / min
11/21 fights
Chin rating based on
21/34 fights
Sotiropoulos
Siver
Form & Momentum
Recent fight performance — most recent weighted 30%
51
43
4-fight 📉 slide
Current form
L · Dec · R3
L · KO · R3
L · KO · R1
L · Dec · R3
W · Sub · R2
Last 5
W · Dec · R3
L · Dec · R3
L · KO · R2
W · Dec · R3
Upcoming
Sotiropoulos
Siver
Finish Rate
Percentage of wins by KO/TKO or Submission
71%
42%
1
KO / TKO Wins
3
4
Submission Wins
2
2
Decision Wins
7

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

Sotiropoulos
Siver
Striking2.7 / 3.7Volume3.6 / 5.9Grappling5.3 / 2.7Wrestling3.7 / 1.9Submission5.7 / 1.7Pressure6.9 / 4.7
Fighter 1
Fighter 2
2.7
Striking
KO power & stand-up volume
3.7
5.3
Grappling
Ground control & clinch
2.7
3.7
Wrestling
Takedown threat & defence
1.9
5.7
Submission
Submission attack frequency
1.7
6.9
Pressure
Clinch/ground work rate
4.7
3.6
Volume
Decision-pace fighting
5.9
Sotiropoulos
Strike Zones
Siver
Sotiropoulos
Attacking
11HEAD1BODY3LEGS15 landed
Absorbing
16HEAD6BODY12LEGS34 absorbed
Siver
Attacking
16HEAD6BODY12LEGS34 landed
Absorbing
11HEAD1BODY3LEGS15 absorbed
Targeting Overlap
🎯Sotiropoulos targets the head (73% of attacks) — Siver absorbs 73% of strikes there
🎯Siver targets the head (47% of attacks) — Sotiropoulos absorbs 47% of strikes there

Round by Round

This fight · per-round breakdown

Sotiropoulos
RND
Siver
0/0R00/0
0/0R20/0

Sotiropoulos · QOF Timeline

Avg: 4.6
0105.0W5.2W5.2W5.2W4.5W4.5W5.2W5.5L1.7L2.8L5.5L2007-122009-112010-112012-122013-10
WinLossTrend

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

Sotiropoulos · Last 5

L · Dec · R3
KJ NoonsRating 5.5
Decision
UFC 166: Velasquez vs Dos Santos 3 · 2013-10
L · KO · R3
Ross PearsonRating 2.8
KO/TKO
UFC on FX: Sotiropoulos vs Pearson · 2012-12
L · KO · R1
Rafael Dos AnjosRating 1.7
KO/TKO
UFC 132: Cruz vs Faber · 2011-07
L · Dec · R3
Dennis SiverRating 5.5
Decision
UFC 127: Penn vs Fitch · 2011-02
W · Sub · R2
Joe LauzonRating 5.2
Submission
UFC 123: Rampage vs Machida · 2010-11

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

News & Media

George Sotiropoulos · Dennis Siver
← Back to fights