CO
Height
6' 0"
Reach
74.0"
Stance
Orthodox
Age
30
CASEY O
Rank #3American· Team Alpha Male
CO
Height
6' 0"
Reach
74.0"
Stance
Orthodox
Age
30
Casey O is an American MMA fighter competing in the featherweight division of UFC. Known for his powerful striking and grappling ability, he has trained at Team Alpha Male. O achieved notable wins against ranked opponents and has established himself as a top contender in his weight class. He has been in the sport professionally for several years and cultivated a reputation for his exciting fight style.
Record entering UFC 331: Van vs. Pantoja 2
14
Wins
6
Losses
0
Draws
14-6-0 (1 NC)
Overall
Previous fights
08vs. Alex Perez
Win15-3-0 (1 NC)·Submission (triangle choke)
UFC 330·Las Vegas, USA
Jul 10, 2026·Round 2·3:15
07vs. Brandon Royval
Loss14-3-0 (1 NC)·Decision (split)
UFC 329·Las Vegas, USA
May 14, 2026·Round 3·5:00
06vs. Megan Anderson
Win14-2-0 (1 NC)·KO (punch)
UFC Fight Night 125·Mexico City, Mexico
Mar 15, 2026·Round 1·4:20
05vs. Katlyn Chookagian
Win13-2-0 (1 NC)·Decision (unanimous)
UFC 328·Los Angeles, USA
Jan 20, 2026·Round 3·5:00
04vs. Tatiana Suarez
Win12-2-0 (1 NC)·Submission (rear-naked choke)
UFC 327·San Antonio, USA
Nov 21, 2025·Round 2·2:10
03vs. Alexa Grasso
Loss11-2-0 (1 NC)·Decision (unanimous)
UFC 326·Dallas, USA
Sep 12, 2025·Round 3·5:00
02vs. Valentina Shevchenko
Win11-1-0 (1 NC)·TKO (kick)
UFC 325·Las Vegas, USA
Jul 4, 2025·Round 3·1:45
01vs. Julianna Peña
Win10-1-0 (1 NC)·Decision (split)
UFC 324·Chicago, USA
May 1, 2025·Round 3·5:00
More fighters on this card
Joshua VanAlexandre PantojaArman TsarukyanMaurício RuffyPatrício PitbullChoi Doo-hoGable StevesonSean SharafAlonzo MenifieldIwo BaraniewskiMarlon VeraCharles JourdainTai TuivasaRobelis DespaigneMichael Aswell Jr.Yoo Joo-sangRyan GandraOsman DiazEdmen ShahbazyanBrunno FerreiraCasey O'NeillEduarda MouraGiga ChikadzeJoanderson Brito