Kayla Harrison def. Ketlen Vieira (Unanimous Decision)
Kayla Harrison defeated Ketlen Vieira by Unanimous Decision in round 3 (5:00) in the Women's Bantamweight bout of UFC 307: Pereira vs Rountree Jr., held Saturday, October 5, 2024 at Delta Center, Salt Lake City. The judges scored it 30-27, 30-27, 29-28, Kayla Harrison won the decision.
Fight stats
By round
Judges' Scorecards
Media Scores
All 15 media scorecards▾
- Tyler Treese · Sherdog.com30-27Harrison
- Drake Riggs · Uncrowned30-27Harrison
- Dayne Fox · Sherdog.com30-27Harrison
- Seán Sheehan · SevereMMA.com30-27Harrison
- Ryan Frederick · WrestlingObserver.com30-27Harrison
- CombatPress.com30-27Harrison
- Jake Noecker · Cageside Press30-27Harrison
- Keith Shillan · Sherdog.com30-27Harrison
- Danny Segura · MMAJunkie.com30-27Harrison
- Daniel Yanofsky · The Sporting News30-27Harrison
- Steve Duncan · mma.uno30-27Harrison
- Zane Simon · The MMA Vivisection30-27Harrison
- Jay Pettry · Sherdog.com29-28Harrison
- Mike Fridley · Sherdog.com29-28Harrison
- Shakiel Mahjouri · CBS Sports29-28Harrison
Fan Scorecards
Scorecard data via mmadecisions.com
Betting Odds
Average moneyline across 14 sportsbooks.
| Sportsbook | Ketlen Vieira | Kayla Harrison |
|---|---|---|
| BetAnything | +525 | -1000 |
| BetMGM | +650 | -1000 |
| BetOnline | +600 | -900 |
| BetRivers | +700 | -1115 |
| BetUS | +700 | -1100 |
| Betway | +375 | -667 |
| Bovada | +700 | -1100 |
| Caesars | +700 | -1100 |
| Cloudbet | +568 | -1667 |
| DraftKings | +1000 | -2100 |
| FanDuel | +700 | -1100 |
| MyBookie | +500 | -1250 |
| Pinnacle | +697 | -1133 |
| SXBet | +655 | -1112 |
Odds are for information only. · Odds data: fightodds.io
Frequently asked questions
Who won Ketlen Vieira vs Kayla Harrison?
Kayla Harrison defeated Ketlen Vieira by Unanimous Decision in round 3 (5:00) in the Women's Bantamweight bout of UFC 307: Pereira vs Rountree Jr., held Saturday, October 5, 2024 at Delta Center, Salt Lake City. The judges scored it 30-27, 30-27, 29-28, Kayla Harrison won the decision.
What were the judges' scorecards for Ketlen Vieira vs Kayla Harrison?
The judges scored it 30-27, 30-27, 29-28, Kayla Harrison won the decision.
Was Ketlen Vieira vs Kayla Harrison a robbery?
Public scoring backed the judges: 99% of 95 fan cards scored it for Kayla Harrison; 100% of 15 media scores picked Kayla Harrison.
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 (52 fighters)
Radar scaled to this matchup · bars show the gap
Style shape
Biggest edge Kayla Harrison, Ground striking +46
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)
- L
- WUFC Fight Night: Allen vs Costa · May 16, 2026Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- 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
- WUFC 316: Dvalishvili vs O'Malley 2 · Jun 7, 2025Submission · R2 · 4:55 · Women's Bantamweight
- WUFC 307: Pereira vs Rountree Jr. · Oct 5, 2024Unanimous Decision · R3 · 5:00 · Women's Bantamweight
- W
- WProfessional Fighters League - 2023 Season PFL Championships · Nov 23, 2023Decision · R3 · 5:00 · 150 lb Catchweight
- LProfessional Fighters League - 2022 Season PFL Championships · Nov 24, 2022Decision · R5 · 5:00 · Lightweight
Common Opponents
- vs