
Start times & how to watch
Main card starts Saturday, November 21, 2026 — watch on Paramount+.
- US East (ET)
- Sat 1:00 PM
- US West (PT)
- Sat 10:00 AM
- United Kingdom
- Sat 6:00 PM
- Central Europe
- Sat 7:00 PM
- Australia (Sydney)
- Sun 5:00 AM
- Your time

Fight Overview

What changed?
Checked daily by Combat Edge. Times show when we recorded an update, not when it was announced.
Fight Intelligence
Aljamain Sterling owns a 72-point Elo edge (elite). Aljamain Sterling shows more surface-level statistical edges across the tracked UFC categories. There are no clean shared-opponent matches in tracked pro MMA history.
Compare Aljamain Sterling and Kevin Vallejos across their careers →
Elo Recent career Elo trajectory
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.
Elo edge
Why they are ranked here
- Biggest gain
- Beat T.J. Dillashaw (rated 1772 at the time): +17.
- Costliest loss
- Lost to Sean O'Malley (rated 1783 at the time): -18.
- Last 5 fights
- 3 wins, 2 losses, -6 Elo in total.
- Next places
- 5 points behind #2 Movsar Evloev, 13 ahead of #4 Movlid Khaybulaev.
- Biggest gain
- Beat Josh Emmett (rated 1729 at the time): +17.
- Costliest loss
- Lost to Jean Silva (rated 1617 at the time): -21.
- Last 5 fights
- 5 wins, 0 losses, +69 Elo in total.
- Next places
- 3 points behind #9 Joanderson Brito, 2 ahead of #11 Diego Lopes.
Every rated fight moves a rating by an amount set by the opponent's rating at the time, the result and how it ended. Places are counted among fighters active in the last 24 months. How the rating is calculated
Model forecast and your pick
Inspect the model’s probability and Elo baseline, then make your own call before the card starts.
Fight forecast
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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What separates the fighters
Aljamain Sterling leads the full model at 60%. Elo agrees, and the complete matchup model keeps the same probability.
Your pick stays private unless you choose to share a completed card.
What's at stake
Pick the winner and how the fight ends to see both new ratings, both new division ranks, and who each fighter would pass.
The simulator is part of Combat Edge Premium, with zero ads, 30 Ask Stats questions a month and CSV exports.
Go Premium to run itProjected with the same rules as the rankings, at today's ratings. Split decisions move ratings less and finishes more.
Stat advantages
Finishing profile
Common opponents
No clean shared-opponent match found in tracked pro MMA history.
Tale of the tape
Aljamain Sterling vs Kevin Vallejos is a scheduled Featherweight fight on UFC FIGHT NIGHT : PROCHAZKA VS STIRLING. Aljamain Sterling enters with a 26-5-0 record and Kevin Vallejos enters with a 18-1-0 record. Combat Edge tracks the matchup preview, UFC stats, Elo edge, shared opponents, event date, venue, and full fight card.
Aljamain Sterling vs Kevin Vallejos quick answers
When is Aljamain Sterling vs Kevin Vallejos?
Aljamain Sterling vs Kevin Vallejos is listed for UFC FIGHT NIGHT : PROCHAZKA VS STIRLING on Nov 21, 2026 at 1:00 PM EST.
What event is Aljamain Sterling vs Kevin Vallejos on?
Aljamain Sterling vs Kevin Vallejos is listed on UFC FIGHT NIGHT : PROCHAZKA VS STIRLING.
What are the records for Aljamain Sterling vs Kevin Vallejos?
Aljamain Sterling enters with a 26-5-0 record and Kevin Vallejos enters with a 18-1-0 record.
What division is Aljamain Sterling vs Kevin Vallejos?
Aljamain Sterling vs Kevin Vallejos is listed as a Featherweight fight.
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