UFC Fight Night: Barboza vs. Gaethje
Philadelphia, USA
30 Mar 2019
Bantamweight
VS
82%
Perez
18%
Rosa
Win Probability
Decision
Round 3 · 5:00
Alex
Alex Perez
2610
5'6"65" reachOrthodox34 yrsWell-Rounded
CFR 61
MD
Mark De La Rosa
"Bumblebee"
115
Well-Rounded4-fight slide31 yrsOrthodox65" reach5'6"
CFR 13

Combatrics Intelligence

Data-driven breakdown · fighter metrics

Edge: Perez

Perez is a strong favourite at 82% win probability per the CFR ratings. The data points decisively in one direction.

Key angles

The CFR gap of 48 points suggests a clear performance difference on paper.

Perez has beaten significantly higher-quality opposition — a QoV edge of 13 points.

Perez has the striking edge in both volume and accuracy.

Risk flags

Perez's chin rating of 18 flags durability concerns based on KO history.

Rosa has a chin rating of 60 — a potential KO vulnerability.

Perez
Rosa
Physical Matchup
Height · Reach · Age · Stance
5'6"
Height
5'6"
65"
Reach
65"
34
Age
+31
Orthodox
Stance
Orthodox
Perez
Rosa
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
60.7
13.0
52.7
Performance Avg
33.8
50
Quality of Victory
37
100
Momentum Score
33
Perez
Rosa
Striking
Significant strikes per minute & accuracy
2.3
1.0
49%
Strike Accuracy
31%
6.1
Striking Style Score (/10)
0.6
4 KOs
KO Finishes
0 KOs
Strike targetStrike target
1
Head
6
1
Body
0
11
Leg
2
RangeRange
11Distance6
0Clinch0
2Ground2
Perez
Rosa
Grappling
Takedowns, submissions & wrestling
2.6
/ 10
5.2
/ 10
1.8
Wrestling Style (/10)
3.6
2.5
Submission Style (/10)
5.0
2
Submission wins
1
Per-fight takedown stats will populate after live card results are scraped
Perez
Rosa
Durability / Chin
Resilience against knockouts and stoppages
18
60
KO risk
Verdict
Moderate
2
KO/TKO Losses
1
3
Sub Losses
1
Avg R1.5 stoppage
KO round context
Avg R2.0 stoppage
3 fights ago
Last KO loss
1 fight ago
Strikes absorbed / min
15/36 fights
Chin rating based on
7/16 fights
Perez
Rosa
Form & Momentum
Recent fight performance — most recent weighted 30%
100
33
Current form
4-fight 📉 slide
Upcoming
W · KO · R1
L · Sub · R3
L · KO · R2
W · KO · R2
Last 5
L · Dec · R3
L · KO · R2
L · Dec · R3
L · Dec · R3
W · Dec · R3
Perez
Rosa
Finish Rate
Percentage of wins by KO/TKO or Submission
75%
50%
4
KO / TKO Wins
0
2
Submission Wins
1
2
Decision Wins
1

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

Perez
Rosa
Striking6.1 / 0.6Volume3.1 / 4.6Grappling2.6 / 5.2Wrestling1.8 / 3.6Submission2.5 / 5.0Pressure7.0 / 4.4
Fighter 1
Fighter 2
6.1
Striking
KO power & stand-up volume
0.6
2.6
Grappling
Ground control & clinch
5.2
1.8
Wrestling
Takedown threat & defence
3.6
2.5
Submission
Submission attack frequency
5.0
7.0
Pressure
Clinch/ground work rate
4.4
3.1
Volume
Decision-pace fighting
4.6
Perez
Strike Zones
Rosa
Perez
Attacking
1HEAD1BODY11LEGS13 landed
Absorbing
6HEAD0BODY2LEGS8 absorbed
Rosa
Attacking
6HEAD0BODY2LEGS8 landed
Absorbing
1HEAD1BODY11LEGS13 absorbed
Targeting Overlap
🎯Perez targets the legs (85% of attacks) — Rosa absorbs 85% of strikes there
🎯Rosa targets the head (75% of attacks) — Perez absorbs 75% of strikes there

Round by Round

This fight · per-round breakdown

Perez
RND
Rosa
0/0R00/0

Perez · QOF Timeline

Avg: 4.5
0105.2W4.5W5.0W1.5L4.5W5.0W5.0W2.6L2.8L6.9L5.3W3.9L5.1L5.9W2017-122019-032022-072025-112026-01
WinLossTrend

Rosa · QOF Timeline

Avg: 4.9
0102.8L5.2W4.5W6.8L6.4L2.8L5.5L2017-122018-112019-082020-06
WinLossTrend

Perez · Last 5

Upcoming
Sumudaerji
UFC Fight Night: Song vs. Figueiredo · 2026-05
W · KO · R1
Charles JohnsonRating 5.9
KO/TKO
UFC 324: Gaethje vs. Pimblett · 2026-01
L · Sub · R3
Asu AlmabayevRating 5.1
Submission
UFC Fight Night: Tsarukyan vs. Hooker · 2025-11
L · KO · R2
Tatsuro TairaRating 3.9
KO/TKO
UFC Fight Night: Perez vs. Taira · 2024-06
W · KO · R2
Matheus NicolauRating 5.3
KO/TKO
UFC Fight Night: Nicolau vs. Perez · 2024-04

Rosa · Last 5

L · Dec · R3
Jordan EspinosaRating 5.5
Decision
UFC Fight Night: Eye vs. Calvillo · 2020-06
L · KO · R2
Raulian PaivaRating 2.8
KO/TKO
UFC Fight Night: Anderson vs. Blachowicz · 2020-02
L · Dec · R3
Kai Kara-FranceRating 6.4
Decision
UFC Fight Night: Andrade vs. Zhang · 2019-08
L · Dec · R3
Alex PerezRating 6.8
Decision
UFC Fight Night: Barboza vs. Gaethje · 2019-03
W · Dec · R3
Joby SanchezRating 4.5
Decision
UFC Fight Night: Korean Zombie vs. Rodriguez · 2018-11

News & Media

Alex Perez · Mark De La Rosa
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