
Start times & how to watch
Main card starts Saturday, September 27, 2025 — watch on ESPN+.
- US East (ET)
- Sat 10:00 PM
- US West (PT)
- Sat 7:00 PM
- United Kingdom
- Sun 3:00 AM
- Central Europe
- Sun 4:00 AM
- Australia (Sydney)
- Sun 12:00 PM
- 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
Daniel Santos owns a 7-point Elo edge (solid). Neither side shows more surface-level statistical edges across the tracked UFC categories. There are no clean shared-opponent matches in tracked pro MMA history.
Compare Daniel Santos and Joo Sang Yoo 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 John Castañeda (rated 1715 at the time): +26.
- Costliest loss
- Lost to Jefferson Nascimento (rated 1529 at the time): -37.
- Last 5 fights
- 4 wins, 1 loss, +71 Elo in total.
- Next places
- 1 point behind #152 Ahejiang Ailinuer, 1 ahead of #154 Adam Meskini.
- Biggest gain
- Beat Jeka Saragih (rated 1653 at the time): +28.
- Costliest loss
- Lost to Daniel Santos (rated 1643 at the time): -33.
- Last 5 fights
- 3 wins, 2 losses, +16 Elo in total.
- Next places
- 1 point behind #165 Elias Boudegzdame, 1 ahead of #167 Nauris Bartoska.
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.
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
Daniel Santos vs Joo Sang Yoo is a scheduled Fight card fight on UFC FIGHT NIGHT : ULBERG VS REYES. Daniel Santos enters with a 14-3-0 record and Joo Sang Yoo enters with a 9-2-0 record. Combat Edge tracks the matchup preview, UFC stats, Elo edge, shared opponents, event date, venue, and full fight card.
Daniel Santos vs Joo Sang Yoo quick answers
When is Daniel Santos vs Joo Sang Yoo?
Daniel Santos vs Joo Sang Yoo is listed for UFC FIGHT NIGHT : ULBERG VS REYES on Sep 27, 2025 at 10:00 PM EST.
What event is Daniel Santos vs Joo Sang Yoo on?
Daniel Santos vs Joo Sang Yoo is listed on UFC FIGHT NIGHT : ULBERG VS REYES.
What are the records for Daniel Santos vs Joo Sang Yoo?
Daniel Santos enters with a 14-3-0 record and Joo Sang Yoo enters with a 9-2-0 record.
What division is Daniel Santos vs Joo Sang Yoo?
Daniel Santos vs Joo Sang Yoo is listed as a Fight card fight.
Loading comments…