UFC Fight Night: Rosas Jr. vs. Barcelos
September 26, 2026
📍 Las Vegas, Nevada, USA
FIGHT PREVIEW
VS
Fight Lab Prediction Engine
📋 Tale of the Tape
| Melissa Amaya | Category | Valesca Machado |
|---|---|---|
| 31 | Age | 30 |
| 5' 4" | Height | 5' 4" |
| 115.0 lbs | Weight | 115.0 lbs |
| 64" | Reach | 63" |
| - | Stance | Orthodox |
| 0-0 | Record | 0-0 |
| - | SLpM | - |
| - | TD Avg | - |
| 18.0 | Fight Lab Score | 14.0 |
📊 Skill Comparison
Power
Melissa Amaya
0.0
Valesca Machado
0.0
Speed
Melissa Amaya
0.0
Valesca Machado
0.0
Technique
Melissa Amaya
0.0
Valesca Machado
0.0
Wrestling
Melissa Amaya
0.0
Valesca Machado
0.0
Submission
Melissa Amaya
0.0
Valesca Machado
0.0
Cardio
Melissa Amaya
0.0
Valesca Machado
0.0
Durability
Melissa Amaya
10.0
Valesca Machado
10.0
Fight IQ
Melissa Amaya
0.0
Valesca Machado
0.0
🧠 Fight Lab Prediction
🏆 Melissa Amaya
Predicted Winner
Melissa Amaya
Valesca Machado
Confidence:
Low
DATA COVERAGE
38%
Limited
Some matchup categories do not yet have
statistical data.
🔎 Key Matchup Edges
Strongest category advantages in the matchup
Primary Edge
Melissa Amaya
+2.2
(Momentum)
Secondary Edge
Melissa Amaya
+0.4
(Resume)
Physical Edge
Melissa Amaya
+0.8
Category edges are reduced by Fight Lab's
data-confidence adjustment when statistical
coverage is limited.
📊 Matchup Breakdown
| Category | Edge |
|---|---|
| Resume | 0.4 |
| Striking | 0.0 |
| Wrestling | 0.0 |
| Grappling | 0.0 |
| Cardio | 0.0 |
| Fight IQ | 0.0 |
| Experience | 0 |
| Momentum | 2.25 |
| Total Edge | 3.25 |
Fight Lab Prediction Engine v4
📊 Fight Lab Comparison
| Category | Melissa Amaya | Valesca Machado |
|---|---|---|
| Resume Score |
18.0 |
14.0 |
| Win % |
0.0% |
0.0% |
| Striking Accuracy | Not available | Not available |
| Takedown Defense | Not available | Not available |
| SLpM | Not available | Not available |
| TD Avg | Not available | Not available |
📊 Matchup Breakdown
Resume
Melissa Amaya
+0.4
Striking
EVEN
Wrestling
EVEN
Grappling
EVEN
Cardio
EVEN
Fight IQ
EVEN
Experience
EVEN
Overall Edge
Melissa Amaya
+3.2
📏 Physical Matchup
| Melissa Amaya | Category | Valesca Machado |
|---|---|---|
| 64" | Height | 64" |
| 64.0" | Reach | 63.0" |
| Women's Strawweight | Weight Class | Women's Strawweight |
HEIGHT DIFFERENCE
EVEN
REACH DIFFERENCE
Melissa Amaya
+1.0"
PHYSICAL CONTEXT
Comparable physical profile
PHYSICAL EDGE
Melissa Amaya
+0.75
🧠 Keys to Victory
Melissa Amaya
- ℹ️ Limited statistical data is available, so Fight Lab cannot identify a strong category-specific advantage yet.
Valesca Machado
- ℹ️ Limited statistical data is available, so Fight Lab cannot identify a strong category-specific advantage yet.
Keys to Victory are limited by the available statistical data for this matchup.
📈 Last Five Performances
Melissa Amaya
Recent Form
● W
● W
● W
● W
● W
W
Megumi Sugimoto
2025-06-19
KO/TKO
• R1
• 3:51
Detailed fight statistics not available
W
Samantha Jean-Francois
2024-06-08
TKO (Punches)
• R2
• 3:44
Detailed fight statistics not available
W
Gillian Noll
2023-04-01
Decision - Majority
• R3
• 5:00
Detailed fight statistics not available
W
Alitzel Mariscal
2022-10-30
Submission (Arm Triangle)
• R3
• 3:12
Detailed fight statistics not available
W
Naomi Tataroglu
2022-07-01
Decision - Split
• R3
• 5:00
Detailed fight statistics not available
Valesca Machado
Recent Form
● W
● W
● W
● L
● W
Yasmin Castanho
W
2024-12-13
Decision - Unanimous
• R3
• 5:00
Detailed fight statistics not available
Yulia Ostroverkhova
W
2024-08-09
Decision - Unanimous
• R3
• 5:00
Detailed fight statistics not available
Taylor Mauldin
W
2024-02-22
KO/TKO
• R1
• 0:49
Detailed fight statistics not available
Danni McCormack
L
2023-03-15
Decision - Unanimous
• R3
• 5:00
Detailed fight statistics not available
Ediana Silva
W
2022-11-16
Decision - Split
• R3
• 5:00
Detailed fight statistics not available
Recent Form Analysis
LAST FIVE
Melissa Amaya
5-0
Valesca Machado
4-1
WIN %
Melissa Amaya
100.0%
Valesca Machado
80.0%
FINISH RATE
Melissa Amaya
60.0%
Valesca Machado
20.0%
AVG FIGHT LAB RATING
Melissa Amaya
--
Valesca Machado
--
SIG / TD ACCURACY
Melissa Amaya
SS
--%
·
TD
--%
Valesca Machado
SS
--%
·
TD
--%
AVG CONTROL
Melissa Amaya
--
Valesca Machado
--
PREDICTION DATA
38%
Limited