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 20: Battle for the Gold
Birmingham, USA
7 May 1999
Middleweight
VS
90%
Silva
10%
Petarra
Win Probability
KO/TKO
Round 1 · 2:53
★ Official Result
Wanderlei SilvawinsKO/TKOR1 · 2:53
def. Tony Petarra · UFC 20: Battle for the Gold
Fight Report
Pre-fight analysis · prediction vs result
Prediction vs Result
We predicted
Silva
→
Actual result
Silva wins
KO/TKO · R1
Pre-fight analysis
Silva is a strong favourite at 90% win probability per the CFR ratings. The data points decisively in one direction.
Key angles
The CFR gap of 17 points suggests a clear performance difference on paper.
Silva has beaten significantly higher-quality opposition — a QoV edge of 53 points.
Risk flags
Silva's chin rating of 26 flags durability concerns based on KO history.
This Fight — Statistics
Actual stats from this bout
SilvaPetarra
0
Sig. Strikes
0
0.0
Strikes / min (SLpM)
0.0
—
Strike Accuracy
—
Silva
Petarra
Physical Matchup
Height · Reach · Age · Stance
5'11"
Height
5'11"
74"
Reach
50+
Age
59
Orthodox
Stance
Orthodox
Silva
Petarra
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
18.9
2.2
48.5
Performance Avg
0.0
53
Quality of Victory
0
72
Momentum Score
0
Silva
Petarra
Striking
Career averages · see This Fight stats above
8.8
/ 10
0.0
/ 10
6.8
Style: Pressure
0.0
2.4
Style: Volume
0.0
4 KO wins
Finish Rate (strikes)
0 KO wins
Per-minute strike stats will populate after live card results are scraped
Strike targetStrike target
12
Head
3
13
Body
0
0
Leg
1
RangeRange
0Distance0
24Clinch4
1Ground0
Silva
Petarra
Grappling
Career averages · see This Fight stats above
🥊
Pure striking matchup
Neither fighter has significant grappling in their history
0
Submission wins
0
Silva
Petarra
Durability / Chin
Resilience against knockouts and stoppages
26
78
KO risk
Verdict
Moderate
3
KO/TKO Losses
1
0
Sub Losses
0
Avg R1.0 stoppage
KO round context
Avg R1.0 stoppage
3 fights ago
Last KO loss
Most recent fight
—
Strikes absorbed / min
—
12/48 fights
Chin rating based on
1/5 fights
Silva
Petarra
Form & Momentum
Recent fight performance — most recent weighted 30%
72
0
W · KO · R2
L · Dec · R5
W · KO · R2
L · KO · R1
W · Dec · R3
Last 5
L · KO · R1
Silva
Petarra
Finish Rate
Percentage of wins by KO/TKO or Submission
80%
0%
4
KO / TKO Wins
0
0
Submission Wins
0
1
Decision Wins
0
Style Fingerprint
Combatrics radar — 6 fighting dimensions scored 0–10
Silva
Petarra
Fighter 1
Fighter 2
8.8
Striking
KO power & stand-up volume
0.0
0.5
Grappling
Ground control & clinch
0.0
0.3
Wrestling
Takedown threat & defence
0.0
0.0
Submission
Submission attack frequency
0.0
6.8
Pressure
Clinch/ground work rate
0.0
2.4
Volume
Decision-pace fighting
0.0
SilvaPetarra
Strike Zones
Silva
Attacking
25 landedAbsorbing
4 absorbedPetarra
Attacking
4 landedAbsorbing
25 absorbedTargeting Overlap
🎯Silva targets the body (52% of attacks) — Petarra absorbs 52% of strikes there
🎯Petarra targets the head (75% of attacks) — Silva absorbs 75% of strikes there
Round by Round
This fight · per-round breakdown
Silva
RND
Petarra
0/0R00/0
0/0R10/0
Silva · Last 5
W · KO · R2
Brian StannKO/TKO
UFC on FUEL TV: Silva vs. Stann · 2013-03
L · Dec · R5
Rich FranklinDecision
UFC 147: Silva vs Franklin 2 · 2012-06
W · KO · R2
Cung LeKO/TKO
UFC 139: Shogun vs Henderson · 2011-11
L · KO · R1
Chris LebenKO/TKO
UFC 132: Cruz vs Faber · 2011-07
W · Dec · R3
Michael BispingDecision
UFC 110: Nogueira vs Velasquez · 2010-02
Petarra · Last 1
L · KO · R1
Wanderlei SilvaKO/TKO
UFC 20: Battle for the Gold · 1999-05