Ultimate Fighting Calendar
UFC FIGHT NIGHT: ROSAS JR. VS BARCELOS · SATURDAY, SEPTEMBER 26, 2026

John Castaneda vs Heili Alateng

BANTAMWEIGHT

Meta Apex, Las Vegas, United States

Main card · 5:00 PM PDT

John Castaneda

John Castaneda

"Sexi Mexi"
21-8-1
United StatesUnited States
Heili Alateng

Heili Alateng

"The Mongolian Knight"
17-10-2
ChinaChina
VIEW FULL CARD →Full breakdown →

Betting Odds

John Castaneda
-327
77% implied win probability
Open: -294Best: -270
Heili Alateng
+256
28% implied win probability
Open: +227Best: +280

Average moneyline across 24 sportsbooks.

Line Movement

John CastanedaHeili Alateng
30%40%50%60%70%80%Sep 17Sep 19Sep 21Sep 23Sep 17, 10:50 PM UTC · John Castaneda -365 (78%)Sep 18, 12:50 AM UTC · John Castaneda -313 (76%)Sep 18, 8:50 AM UTC · John Castaneda -299 (75%)Sep 18, 2:50 PM UTC · John Castaneda -294 (75%)Sep 18, 6:50 PM UTC · John Castaneda -294 (75%)Sep 18, 10:50 PM UTC · John Castaneda -288 (74%)Sep 19, 12:50 AM UTC · John Castaneda -287 (74%)Sep 19, 4:50 PM UTC · John Castaneda -290 (74%)Sep 19, 6:50 PM UTC · John Castaneda -291 (74%)Sep 19, 8:50 PM UTC · John Castaneda -291 (74%)Sep 19, 10:50 PM UTC · John Castaneda -289 (74%)Sep 20, 4:50 AM UTC · John Castaneda -286 (74%)Sep 20, 6:50 AM UTC · John Castaneda -291 (74%)Sep 20, 8:50 AM UTC · John Castaneda -289 (74%)Sep 20, 10:55 AM UTC · John Castaneda -287 (74%)Sep 20, 12:50 PM UTC · John Castaneda -287 (74%)Sep 20, 2:50 PM UTC · John Castaneda -293 (75%)Sep 20, 4:50 PM UTC · John Castaneda -302 (75%)Sep 20, 6:50 PM UTC · John Castaneda -305 (75%)Sep 20, 10:50 PM UTC · John Castaneda -304 (75%)Sep 21, 12:50 AM UTC · John Castaneda -305 (75%)Sep 21, 4:20 AM UTC · John Castaneda -306 (75%)Sep 21, 8:50 AM UTC · John Castaneda -308 (75%)Sep 21, 10:50 AM UTC · John Castaneda -311 (76%)Sep 21, 12:50 PM UTC · John Castaneda -315 (76%)Sep 21, 4:50 PM UTC · John Castaneda -317 (76%)Sep 21, 6:50 PM UTC · John Castaneda -317 (76%)Sep 22, 12:50 AM UTC · John Castaneda -318 (76%)Sep 22, 4:20 AM UTC · John Castaneda -318 (76%)Sep 22, 6:50 AM UTC · John Castaneda -318 (76%)Sep 22, 12:50 PM UTC · John Castaneda -318 (76%)Sep 22, 2:50 PM UTC · John Castaneda -323 (76%)Sep 22, 4:50 PM UTC · John Castaneda -324 (76%)Sep 22, 6:50 PM UTC · John Castaneda -325 (76%)Sep 22, 8:50 PM UTC · John Castaneda -321 (76%)Sep 23, 12:50 AM UTC · John Castaneda -320 (76%)Sep 23, 2:50 AM UTC · John Castaneda -321 (76%)Sep 23, 4:50 AM UTC · John Castaneda -326 (77%)Sep 23, 6:50 AM UTC · John Castaneda -327 (77%)Sep 23, 8:50 AM UTC · John Castaneda -327 (77%)Sep 17, 10:50 PM UTC · Heili Alateng +197 (34%)Sep 18, 12:50 AM UTC · Heili Alateng +213 (32%)Sep 18, 8:50 AM UTC · Heili Alateng +212 (32%)Sep 18, 2:50 PM UTC · Heili Alateng +216 (32%)Sep 18, 6:50 PM UTC · Heili Alateng +221 (31%)Sep 18, 10:50 PM UTC · Heili Alateng +223 (31%)Sep 19, 12:50 AM UTC · Heili Alateng +224 (31%)Sep 19, 4:50 PM UTC · Heili Alateng +222 (31%)Sep 19, 6:50 PM UTC · Heili Alateng +222 (31%)Sep 19, 8:50 PM UTC · Heili Alateng +223 (31%)Sep 19, 10:50 PM UTC · Heili Alateng +224 (31%)Sep 20, 4:50 AM UTC · Heili Alateng +226 (31%)Sep 20, 6:50 AM UTC · Heili Alateng +229 (30%)Sep 20, 8:50 AM UTC · Heili Alateng +228 (30%)Sep 20, 10:55 AM UTC · Heili Alateng +229 (30%)Sep 20, 12:50 PM UTC · Heili Alateng +230 (30%)Sep 20, 2:50 PM UTC · Heili Alateng +230 (30%)Sep 20, 4:50 PM UTC · Heili Alateng +236 (30%)Sep 20, 6:50 PM UTC · Heili Alateng +239 (29%)Sep 20, 10:50 PM UTC · Heili Alateng +239 (29%)Sep 21, 12:50 AM UTC · Heili Alateng +239 (29%)Sep 21, 4:20 AM UTC · Heili Alateng +241 (29%)Sep 21, 8:50 AM UTC · Heili Alateng +242 (29%)Sep 21, 10:50 AM UTC · Heili Alateng +244 (29%)Sep 21, 12:50 PM UTC · Heili Alateng +247 (29%)Sep 21, 4:50 PM UTC · Heili Alateng +252 (28%)Sep 21, 6:50 PM UTC · Heili Alateng +253 (28%)Sep 22, 12:50 AM UTC · Heili Alateng +253 (28%)Sep 22, 4:20 AM UTC · Heili Alateng +254 (28%)Sep 22, 6:50 AM UTC · Heili Alateng +253 (28%)Sep 22, 12:50 PM UTC · Heili Alateng +254 (28%)Sep 22, 2:50 PM UTC · Heili Alateng +253 (28%)Sep 22, 4:50 PM UTC · Heili Alateng +252 (28%)Sep 22, 6:50 PM UTC · Heili Alateng +252 (28%)Sep 22, 8:50 PM UTC · Heili Alateng +255 (28%)Sep 23, 12:50 AM UTC · Heili Alateng +255 (28%)Sep 23, 2:50 AM UTC · Heili Alateng +255 (28%)Sep 23, 4:50 AM UTC · Heili Alateng +254 (28%)Sep 23, 6:50 AM UTC · Heili Alateng +255 (28%)Sep 23, 8:50 AM UTC · Heili Alateng +256 (28%)-327+256
SportsbookJohn CastanedaHeili Alateng
4casters-384+236
4Cx-393+231
Bet105-319+261
BetAnything-325+245
BetMGM-300+240
BetOnline-330+269
BetRivers-333+250
BetUS-330+267
Betway-333+250
Bookmaker-327+265
Bovada-350+280
Caesars-330+260
Circa-300+250
Cloudbet-357+250
DraftKings-325+260
FanDuel-340+250
HardRockBet-325+250
Kalshi-270+270
mybookie-350+255
Pinnacle-319+261
Polymarket-285+270
ProphetX-320+240
SXBet-317+264
YouWager-330+269

Odds are for information only. · Odds data: fightodds.io

Frequently asked questions

When do John Castaneda and Heili Alateng fight?
John Castaneda vs Heili Alateng is scheduled for Saturday, September 26, 2026 at UFC Fight Night: Rosas Jr. vs Barcelos, Meta Apex, Las Vegas, United States.
What time does John Castaneda vs Heili Alateng start?
John Castaneda vs Heili Alateng is part of UFC Fight Night: Rosas Jr. vs Barcelos; the main card starts at 5:00 PM PDT.
What is John Castaneda's record?
John Castaneda's professional MMA record is 21-8-1.
What is Heili Alateng's record?
Heili Alateng's professional MMA record is 17-10-2.