When is John Castañeda vs Alatengheili?
John Castañeda vs Alatengheili is listed for UFC FIGHT NIGHT : ROSAS JR. VS BARCELOS on Sep 26, 2026 at 6:00 PM EST.

Main card starts Saturday, September 26, 2026 — watch on PARAMOUNT+.
John Castañeda vs Alatengheili is a scheduled Bantamweight fight on UFC FIGHT NIGHT : ROSAS JR. VS BARCELOS . John Castañeda enters with a 21-8-1 record and Alatengheili enters with a 17-10-2 record. Combat Edge tracks the matchup preview, UFC stats, Elo edge, shared opponents, event date, venue, and full fight card.
John Castañeda vs Alatengheili is listed for UFC FIGHT NIGHT : ROSAS JR. VS BARCELOS on Sep 26, 2026 at 6:00 PM EST.
John Castañeda vs Alatengheili is listed on UFC FIGHT NIGHT : ROSAS JR. VS BARCELOS .
John Castañeda enters with a 21-8-1 record and Alatengheili enters with a 17-10-2 record.
John Castañeda vs Alatengheili is listed as a Bantamweight fight.


John Castañeda owns a 88-point Elo edge (good). Neither side shows more surface-level statistical edges across the tracked UFC categories. 2 shared opponents give extra context.
Compare John Castañeda and Alatengheili across their careers →Recent three-year Elo paths for both fighters. Ratings shown here are current career context; the event-specific prediction or verified result remains on this Fight page.
Inspect the model’s probability and Elo baseline, then make your own call before the card starts.
Win probability computed before the fight from point-in-time Elo, records, and matchup data. The baseline shows what Elo alone expected; the adjustment is not a certainty. Analytics, not betting advice.
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John Castañeda leads the full model at 78%. Elo agrees, and the complete matchup model strengthens that lean by 16 points.
Your pick stays private unless you choose to share a completed card.
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