UFC 239: Jones vs. Santos
Las Vegas, USA
6 Jul 2019
Bantamweight
VS
36%
Perez
64%
Yadong
Win Probability
KO/TKO
Round 1 · 2:04
AP
Alejandro Perez
"Turbo"
23 – 9
5'6"67" reachOrthodox36 yrsWell-Rounded
CFR 35
Song
Song Yadong
"Kung Fu Kid"
22 – 9
Well-Rounded28 yrsOrthodox67" reach5'8"
CFR 62

Combatrics Intelligence

Data-driven breakdown · fighter metrics

Edge: Yadong

Yadong holds a meaningful edge at 64% per the CFR ratings — but Perez has real paths to victory.

Key angles

The CFR gap of 27 points suggests a clear performance difference on paper.

Striking split: Perez throws more volume but Yadong connects at a higher rate — quality vs quantity.

Risk flags

Perez's chin rating of 62 flags durability concerns based on KO history.

Perez
Yadong
Physical Matchup
Height · Reach · Age · Stance
5'6"
Height
+5'8"
67"
Reach
67"
36
Age
+28
Orthodox
Stance
Orthodox
Perez
Yadong
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
35.4
61.9
56.3
Performance Avg
54.6
49
Quality of Victory
42
100
Momentum Score
83
Perez
Yadong
Striking
Significant strikes per minute & accuracy
1.9
1.5
40%
Strike Accuracy
47%
5.1
Striking Style Score (/10)
6.0
3 KOs
KO Finishes
5 KOs
Strike targetStrike target
0
Head
6
0
Body
1
1
Leg
1
RangeRange
1Distance7
0Clinch0
0Ground1
Perez
Yadong
Grappling
Takedowns, submissions & wrestling
—
—
—
Sub Attempts / fight
0.1
2.2
Grappling Style Score (/10)
1.8
1.5
Wrestling Style Score (/10)
1.3
0:00
Control Time (this fight)
0:00
0
Reversals
0
Perez
Yadong
Durability / Chin
Resilience against knockouts and stoppages
62
92
Moderate
Verdict
Never stopped
1
KO/TKO Losses
0
1
Sub Losses
0
Avg R1.0 stoppage
KO round context
—
2 fights ago
Last KO loss
—
—
Strikes absorbed / min
—
13/32 fights
Chin rating based on
17/31 fights
Perez
Yadong
Form & Momentum
Recent fight performance — most recent weighted 30%
100
83
L · Dec · R3
W · Sub · R2
L · KO · R1
L · Dec · R3
W · Dec · R3
Last 5
Upcoming
L · Dec · R3
W · Dec · R3
L · Dec · R3
W · Dec · R5
Perez
Yadong
Finish Rate
Percentage of wins by KO/TKO or Submission
50%
55%
3
KO / TKO Wins
5
1
Submission Wins
1
4
Decision Wins
5

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

Perez
Yadong
Striking5.1 / 6.0Volume5.3 / 5.1Grappling2.2 / 1.8Wrestling1.5 / 1.3Submission1.3 / 0.9Pressure5.5 / 6.0
Fighter 1
Fighter 2
5.1
Striking
KO power & stand-up volume
6.0
2.2
Grappling
Ground control & clinch
1.8
1.5
Wrestling
Takedown threat & defence
1.3
1.3
Submission
Submission attack frequency
0.9
5.5
Pressure
Clinch/ground work rate
6.0
5.3
Volume
Decision-pace fighting
5.1
Perez
Strike Zones
Yadong
Perez
Attacking
0HEAD0BODY1LEGS1 landed
Absorbing
6HEAD1BODY1LEGS8 absorbed
Yadong
Attacking
6HEAD1BODY1LEGS8 landed
Absorbing
0HEAD0BODY1LEGS1 absorbed
Targeting Overlap
🎯Perez targets the legs (100% of attacks) — Yadong absorbs 100% of strikes there
🎯Yadong targets the head (75% of attacks) — Perez absorbs 75% of strikes there

Round by Round

This fight · per-round breakdown

Perez
RND
Yadong
0/0R00/0
0/0R10/0

Perez · QOF Timeline

Avg: 4.5
0104.5W1.5L5.2W5.0W4.5W4.5W5.2W4.5W5.5L2.8L5.2W6.0L2014-112016-042018-042019-072022-02
WinLossTrend

Yadong · QOF Timeline

Avg: 5.6
0105.0W5.2W4.5W5.0W5.3W6.2L4.5W6.0W5.0W6.6L6.2W5.0W7.0L5.7W7.0L2017-112020-052022-032024-032026-01
WinLossTrend

Perez · Last 5

L · Dec · R3
Jonathan MartinezRating 6
Decision
UFC Fight Night: Makhachev vs. Green · 2022-02
W · Sub · R2
Johnny EduardoRating 5.2
Submission
UFC Fight Night: Santos vs. Walker · 2021-10
L · KO · R1
Song YadongRating 2.8
KO/TKO
UFC 239: Jones vs. Santos · 2019-07
L · Dec · R3
Cody StamannRating 5.5
Decision
UFC 235: Jones vs. Smith · 2019-03
W · Dec · R3
Eddie WinelandRating 4.5
Decision
UFC Fight Night: Dos Santos vs. Ivanov · 2018-07

Yadong · Last 5

Upcoming
Deiveson Figueiredo
UFC Fight Night: Song vs. Figueiredo · 2026-05
L · Dec · R3
Sean O'MalleyRating 7
Decision
UFC 324: Gaethje vs. Pimblett · 2026-01
W · Dec · R3
Henry CejudoRating 5.7
Decision
UFC Fight Night: Cejudo vs. Song · 2025-02
L · Dec · R3
Petr YanRating 7
Decision
UFC 299: O'Malley vs. Vera 2 · 2024-03
W · Dec · R5
Chris GutierrezRating 5
Decision
UFC Fight Night: Song vs. Gutierrez · 2023-12

News & Media

Alejandro Perez · Song Yadong
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