Ketlen Vieira defeated Macy Chiasson by Unanimous Decision in round 3 (5:00) in the Women's Featherweight bout of UFC Fight Night: Gamrot vs Klein, held Saturday, May 31, 2025 at Meta Apex, Las Vegas. The judges scored it 29-28, 30-27, 29-28, Ketlen Vieira won the decision.
Ketlen Vieira vs Macy Chiasson
Fight stats: totals
Same scale left and right on every row; the pale tail behind a bar is attempts
Where it landed
Significant strikes landed by target in this fight
Where it happened
Share of fight time at distance, in the clinch and on the ground
Range × target
Significant strikes landed by range and target in this fight · landed / attempted in each cell
Round by round
Significant strikes landed per round · the judges' scores under each
Bars share one scale across rounds. Each chip is one judge's score for the round, coloured by who they gave it to.
Judges' Scorecards
Media Scores
All 11 media scorecards
- Jay Pettry · Sherdog.com30-27Vieira
- Brian Knapp · Sherdog.com30-27Vieira
- Tyler Treese · Sherdog.com30-27Vieira
- Paul Fontaine · WrestlingObserver.com30-27Vieira
- Ryan Frederick · WrestlingObserver.com30-27Vieira
- Keith Shillan · Sherdog.com30-27Vieira
- CombatPress.com30-27Vieira
- Dayne Fox · Sherdog.com30-27Vieira
- Zane Simon · The MMA Vivisection30-27Vieira
- Steve Duncan · mma.uno30-27Vieira
- MMAMania.com30-27Vieira
Fan Scorecards
25 fan scorecards submitted
Betting Odds
Average moneyline across 19 sportsbooks.
| Sportsbook | Ketlen Vieira | Macy Chiasson | Trend |
|---|---|---|---|
| 4casters | +147 | -156 | |
| 4Cx | +144 | -159 | |
| Bet105 | +147 | -167 | |
| BetAnything | +150 | -180 | |
| BetMGM | -10000 | +1600 | |
| BetOnline | +145 | -170 | |
| BetRivers | +120 | -150 | |
| BetUS | +138 | -165 | |
| Betway | -10000 | +1000 | |
| Bookmaker | +128 | -157 | |
| Bovada | +145 | -170 | |
| Caesars | -1600 | +800 | |
| Circa | +155 | -180 | |
| Cloudbet | +145 | -160 | |
| DraftKings | -8500 | +2000 | |
| FanDuel | -3500 | +1480 | |
| mybookie | -110 | -115 | |
| Pinnacle | +139 | -158 | |
| SXBet | +134 | -158 |
Odds are for information only.
Build with this line: the same consensus odds, with opening and closing lines, are in the UFCalendar Fight API. Odds in the MMA Fight Data API
Insights
- Ketlen Vieira stops 85% of takedowns, better than 90% of UFC fighters.
Style & credentials
No background on record
Camp · Nova Uniao · BrazilNo background on record
Camp · Fortis MMA · United StatesSig. strikes by zone
Where each fighter lands, as a share of significant strikes
Time in position
Share of fight time at distance, in the clinch and on the ground
How good, really
Each stat against every UFC fighter, in plain words
Ranked against 1498 UFC fighters with five or more UFC fights.
Striking & grappling
Same scale left and right on every row
Bars in a row share one scale. The stronger side is solid; the pale tail behind takedowns is attempts.
Where the strikes land
Range × target
Share of significant strikes landed by range and target · landed / attempted in each cell.
When it ends
Every early finish of their careers, placed at the minute it ended
4 early stoppages have no logged time
Recent form · last 5
- L
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- LUFC Fight Night: Garcia vs Onama · Nov 1, 2025Split Decision · R3 · 5:00 · Women's Bantamweight
- WUFC Fight Night: Gamrot vs Klein · May 31, 2025Unanimous Decision · R3 · 5:00 · Women's Featherweight
- LUFC 307: Pereira vs Rountree Jr. · Oct 5, 2024Unanimous Decision · R3 · 5:00 · Women's Bantamweight
Full record · 22 fightsShow less
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- LUFC Fight Night: Blaydes vs Lewis · Feb 20, 2021Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- WUFC 253: Adesanya vs Costa · Sep 27, 2020Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- L
- WUFC 222: Cyborg vs Kunitskaya · Mar 3, 2018Split Decision · R3 · 5:00 · Women's Bantamweight
- WUFC 215: Nunes vs Shevchenko 2 · Sep 9, 2017Submission · R2 · 4:16 · Women's Bantamweight
- WUFC Fight Night: Johnson vs Reis · Apr 15, 2017Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- WKelly FaszholzUFC Fight Night: Lineker vs Dodson · Oct 1, 2016Split Decision · R3 · 5:00 · Women's Bantamweight
- WEstefani AlmeidaBig Way Fight · Feb 20, 2016Decision
- WViviane MonstraMr. Cage 20 · Dec 17, 2015TKO · R1 · 3:20 · Bantamweight
- WLaet FerreiraBig Way Fight · Sep 12, 2015Submission
- WMonique BastosMr. Cage · Mar 12, 2015Submission
- WKenya MirandaMr. Cage · Nov 13, 2014Submission
- WJuliana LeiteCircuito de Lutas · Oct 2, 2014TKO
- 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
Full record · 16 fightsShow less
- L
- WUFC 274: Oliveira vs Gaethje · May 7, 2022Split Decision · R3 · 5:00 · Women's Featherweight
- LUFC Fight Night: Lewis vs Daukaus · Dec 18, 2021Submission · R2 · 3:07 · Women's Featherweight
- WUFC Fight Night: Brunson vs Holland · Mar 20, 2021Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- WUFC Fight Night: Anderson vs Blachowicz · Feb 15, 2020Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- LUFC Fight Night: Hermansson vs Cannonier · Sep 28, 2019Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- W
- W
- WThe Ultimate Fighter Season 28 Finale: Dos Anjos vs Usman · Nov 30, 2018Submission · R2 · 2:11 · Ultimate Fighter 28 Women's Featherweight
- WAllison SchmidtInvicta FC 29 · May 4, 2018Unanimous Decision · Featherweight
- WMiranda DearingCaged Warrior Championship 16 · Oct 21, 2017Submission · R3 · 1:38 · Featherweight
Frequently asked questions
Who won Ketlen Vieira vs Macy Chiasson?
Ketlen Vieira defeated Macy Chiasson by Unanimous Decision in round 3 (5:00) in the Women's Featherweight bout of UFC Fight Night: Gamrot vs Klein, held Saturday, May 31, 2025 at Meta Apex, Las Vegas. The judges scored it 29-28, 30-27, 29-28, Ketlen Vieira won the decision.
What were the judges' scorecards for Ketlen Vieira vs Macy Chiasson?
The judges scored it 29-28, 30-27, 29-28, Ketlen Vieira won the decision.
Was Ketlen Vieira vs Macy Chiasson a robbery?
Public scoring backed the judges: 68% of 25 fan cards scored it for Ketlen Vieira; 100% of 11 media scores picked Ketlen Vieira.