UFC Fight Night: Rosas Jr. vs. Barcelos · Bantamweight · 3 rounds
Opening locked Aug 28, 2026 · John Castaneda 74% · Decision · Distance · scored miss (Alatengheili / Decision - Split)

USAJohn Castaneda
“Sexy Mexi”
Unranked · 21-8-1 · striker · Switch · 34 · IQ C+ 65
The Academy MN · USA
John Castaneda
74.5%
Alatengheili
25.5%
Model win probability · confidence 70%
Desk
74.5% / 25.5%
Market
76.8% / 23.2%
Moneyline
-377 / +319
Edge
−2.3% Alatengheili
Pinnacle moneyline, two-way de-vigged. Desk tracks the market on Alatengheili. Not a betting tip.
Why the model leans this way
John Castaneda is the model side at 74.5% because the largest live edges sit where this fight is likely to be fought. striker meets hybrid. Open-stance look favors the southpaw / switch side slightly. Punching agility is the clearest separator: Castaneda 60 (C+) vs Alatengheili 35 (D). Hand speed / output lean Castaneda (5.0 SLpM at 56%).
Punching agility
CastanedaCastaneda 60 (C+) vs Alatengheili 35 (D). Hand speed / output lean Castaneda (5.0 SLpM at 56%).
Fight IQ
CastanedaCastaneda 65 (C+) vs Alatengheili 56 (C). Problem-solving and win-lane diversity sit with Castaneda (C+ vs C).
Counter punching
CastanedaCastaneda 42 (D) vs Alatengheili 33 (D). Castaneda's return is the live one (0.10 KD/15, 0 KOs) against Alatengheili's entries.
Striking defense
CastanedaCastaneda 68 (C+) vs Alatengheili 63 (C+). Castaneda absorbs 2.87/min at 58% defense; Alatengheili is a softer target at 3.61 SApM.
Path · Castaneda
Volume. Castaneda wins ugly minutes at range, clutter the center, and never give Alatengheili a clean reset.
Path · Alatengheili
Alatengheili wins by forcing the fight into durability and denying Castaneda a long look at durability.
This is a firm lean, not a lock. The upset script is Alatengheili attacking ground game with durability.
Style and location. The fight should spend most of its minutes at range. Castaneda is built as: Pocket striker. Alatengheili is built as: Hybrid who can change levels. Fight IQ delta is +9 toward Castaneda — that is composure, win-lane diversity, and whether they solve a second problem when the first look dies.
The edges that move the number. Punching agility: Castaneda 60 (C+) vs Alatengheili 35 (D). Hand speed / output lean Castaneda (5.0 SLpM at 56%). Fight IQ: Castaneda 65 (C+) vs Alatengheili 56 (C). Problem-solving and win-lane diversity sit with Castaneda (C+ vs C). Counter punching: Castaneda 42 (D) vs Alatengheili 33 (D). Castaneda's return is the live one (0.10 KD/15, 0 KOs) against Alatengheili's entries.
The clock is live — decision is the modal ending (60%). Minutes and control matter more than a single shot. This is a firm lean, not a lock. The upset script is Alatengheili attacking ground game with durability. These trait marks are derived from FightMetric rates, career method shares, and loaded bout rows — reaction time and agility are proxies, not stopwatch numbers. The model folds the same scores into win probability, so a hole on this card is a hole in the percentage.
Fight IQ, ground game, defense, counter punching, reaction, agility, and takedown reaction — scored from tape and folded into the win number above.
The fight should spend most of its minutes at range.
R1
16%
R2
11%
R3
13%
Dist
60%
Most likely: Distance. Expected 11.8 minutes.
striker meets hybrid. Open-stance look favors the southpaw / switch side slightly.
Striking differential
2.08 vs -0.79 SLpM−SApM (recency / opp. adjusted)
Damage ratio
1.72 vs 0.78 landed/absorbed
Output (SLpM)
4.95 vs 2.82
Striking efficiency
56% vs 39%
Punching agility
Output × accuracy × age curve
Fight IQ
C+ 65 vs C 56 — composure, win-lane diversity, adjustments
Reach / length
71.0" vs 66.0"
Striking defense
58% vs 62%
Counter punching
42 vs 33
Pocket defense (tape)
C+ vs C+
Takedown reaction
79% vs 78% hips on the shot
Recency form
Opp.-adjusted last 0/0 UFC rows
Cardio proxy
Output sustainability + distance rate
Age-adjusted curve
34 vs 34
Style interaction
striker meets hybrid. Open-stance look favors the southpaw / switch side slightly.
Grappling composite
TD avg × acc × def + control + submission threat (adj.)
Durability
0 vs 0 KO losses
Ground game (tape)
37 vs 37
Takedown mismatch
TD def 79% vs 78%
Timing & reaction
Defense + absorb + knockdown timing proxy
Strength of schedule
Opp. quality 50 vs 50
Layoff / rust
Time since last fight
Championship / 5-round
Three-round fight
No recent UFC tape in the book.
No recent UFC tape in the book.
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