Yana Santos def. Macy Chiasson (Unanimous Decision)
Yana Santos defeated Macy Chiasson by Unanimous Decision in round 3 (5:00) in the Women's Bantamweight bout of UFC 320: Ankalaev vs Pereira 2, held Saturday, October 4, 2025 at T-Mobile Arena, Las Vegas. The judges scored it 29-28, 29-28, 29-28, Yana Santos won the decision.
Fight stats
By round
Judges' Scorecards
Media Scores
All 11 media scorecards▾
- MMA Latinoamerica29-28Santos
- Jake Noecker · Home of Fight29-28Santos
- Ryan Frederick · WrestlingObserver.com29-28Santos
- Keith Shillan · Sherdog.com29-28Santos
- Zane Simon · The MMA Vivisection29-28Santos
- Steve Duncan · mma.uno29-28Santos
- Dominik Durniat · ddreporter Tv29-28Santos
- Danny Segura · MMAJunkie.com29-28Santos
- Jay Pettry · Sherdog.com29-28Santos
- Dayne Fox · Sherdog.com29-28Santos
- Scottie Smith · Sherdog.com29-28Santos
Fan Scorecards
Scorecard data via mmadecisions.com
Betting Odds
Average moneyline across 20 sportsbooks.
| Sportsbook | Macy Chiasson | Yana Santos |
|---|---|---|
| 4casters | -196 | +182 |
| 4Cx | -197 | +180 |
| Bet105 | -193 | +170 |
| BetAnything | -200 | +170 |
| BetMGM | -210 | +170 |
| BetOnline | -205 | +175 |
| BetRivers | -200 | +155 |
| BetUS | -225 | +186 |
| Betway | -200 | +163 |
| Bookmaker | -190 | +153 |
| Bovada | -200 | +170 |
| Caesars | -220 | +180 |
| Circa | -215 | +185 |
| Cloudbet | -190 | +173 |
| DraftKings | -205 | +170 |
| FanDuel | -205 | +172 |
| MyBookie | -212 | +170 |
| Pinnacle | -193 | +170 |
| Stake | -208 | +190 |
| SXBet | -196 | +170 |
Odds are for information only. · Odds data: fightodds.io
Frequently asked questions
Who won Macy Chiasson vs Yana Santos?
Yana Santos defeated Macy Chiasson by Unanimous Decision in round 3 (5:00) in the Women's Bantamweight bout of UFC 320: Ankalaev vs Pereira 2, held Saturday, October 4, 2025 at T-Mobile Arena, Las Vegas. The judges scored it 29-28, 29-28, 29-28, Yana Santos won the decision.
What were the judges' scorecards for Macy Chiasson vs Yana Santos?
The judges scored it 29-28, 29-28, 29-28, Yana Santos won the decision.
Was Macy Chiasson vs Yana Santos a robbery?
Public scoring backed the judges: 85% of 34 fan cards scored it for Yana Santos; 100% of 11 media scores picked Yana Santos.
Pre-fight comparison▾
Win probability
What the model gave each fighter going into the fight, from their pre-fight UFCalendar Power Index ratings. See the full Power Index
Fight DNA
Head to headUFCalendar's style model · Women's Bantamweight roster (10 fighters)
Radar scaled to this matchup · bars show the gap
Style shape
Biggest edge Macy Chiasson, Submissions +8
Attribute by attribute
Attributes are rated 0-100 by UFCalendar's style model.
Tale of the Tape
Striking Profile
Grappling Profile
Recent form (last 5 fights)
- LUFC Fight Night: Moreno vs Kavanagh · Feb 28, 2026Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- LUFC 320: Ankalaev vs Pereira 2 · Oct 4, 2025Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- LUFC Fight Night: Gamrot vs Klein · May 31, 2025Unanimous Decision · R3 · 5:00 · Women's Featherweight
- WUFC 303: Pereira vs Procházka 2 · Jun 29, 2024TKO · R2 · 1:58 · Women's Bantamweight
- WUFC Fight Night: Tuivasa vs Tybura · Mar 16, 2024Submission · R1 · 3:54 · Women's Bantamweight
- WUFC 320: Ankalaev vs Pereira 2 · Oct 4, 2025Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- WUFC Fight Night: Sandhagen vs Figueiredo · May 3, 2025Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- WUFC Fight Night: Tybura vs Spivac 2 · Aug 10, 2024Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- LUFC Fight Night: Strickland vs Magomedov · Jul 1, 2023Split Decision · R3 · 5:00 · Women's Featherweight
- LUFC Fight Night: Vera vs Sandhagen · Mar 25, 2023Unanimous Decision · R3 · 5:00 · Women's Bantamweight
Common Opponents
- vs