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Stephen Costello

Issue Date: 8/09/2026 (Official Release: #1036)

Stephen Costello's profile at Sherdog

Rank State: Florida

Birth Date: 1993-01-01

Last 5: W W L L W

Association: SBG Ireland

Pro Debut Date: 2021-11-05

Pro Record: 6-4-0

Current Ranking:

#493 Welterweight

'Big League' Record: 1-2-0

Last 3 Years: 3-2-0

Win Finish %: 66.7%

Combat Age: 35

Quality Perf. %: 60%

Last Quality Perf.: 2026-06-27

540 Metric: .724

Rating Points: 29

Highest Quarterly Ranking: 7/01/2024

#397 Welterweight

Last Fight Date: 6/27/2026 [Cage Warriors]
Last Opponent: [#962 WW] Andrea Kabali
Opponent's Last 5: W W W W L

Next Fight: CW 210 Cage Warriors 210: Dublin
Next Opponent: [#343 MW] Jordan ONeill
Opponent's Last 5: - W W W W

Last Loss Date: 9/27/2025
Last Loss: [#240 WW] Manuel del Valle
Opponent's Last 5: L W W W W

Complete Professional MMA Fight History

Fighter rankings represent most recent generated quarterly rating prior to the fight

	Opponent	Outcome
W	Andrea Kabali	Submission (Rear-Naked Choke) Round 2
	CW 208 Cage Warriors 208: London Saturday, June 27th 2026
L	Manuel del Valle #744 Welterweight	TKO (Punches) Round 2
	CW 194 - Cage Warriors 194: Dublin Saturday, September 27th 2025
L	David Martinez #297 Welterweight	Submission (Rear-Naked Choke) Round 3
	EMMA - Eternal MMA 92: Szalay vs. Tasar Saturday, February 8th 2025
W	Alexander Mikael Viana #416 Welterweight	TKO (Punches) Round 2
	F21 6 - Fight 2 One 6 Saturday, June 1st 2024
W	Ovidio Bojorquez #891 Welterweight	Decision (Unanimous) Round 3
	Combate Global - Ireland vs. Mexico Sunday, December 17th 2023
L	Ashley Reece	Decision (Split) Round 3
	UFL 2 - United Fight League 2 Saturday, May 13th 2023
W	Joliver Allan Mougang	Decision (Unanimous) Round 3
	Centurion FC - Ad Maiora Thursday, November 17th 2022
W	Rade Novakovic	Submission (Rear-Naked Choke) Round 1
	CFC Malta 9 - Centurion Fight Championship... Wednesday, August 24th 2022
W	Martin Antevski	TKO (Punches) Round 1
	CFC Malta - Centurion Fight Championship: ... Saturday, July 2nd 2022
L	Yusuf Nazokatov	Submission (Heel Hook) Round 2
	Bellator 270 - Queally vs. Pitbull 2 Friday, November 5th 2021

	Opponent	Event	Outcome
W	Andrea Kabali	CW 208 Cage Warriors 208: London Saturday, June 27th 2026	Submission (Rear-Naked Choke) Round 2
L	Manuel del Valle #744 Welterweight	CW 194 - Cage Warriors 194: Dublin Saturday, September 27th 2025	TKO (Punches) Round 2
L	David Martinez #297 Welterweight	EMMA - Eternal MMA 92: Szalay vs. Tasar Saturday, February 8th 2025	Submission (Rear-Naked Choke) Round 3
W	Alexander Mikael Viana #416 Welterweight	F21 6 - Fight 2 One 6 Saturday, June 1st 2024	TKO (Punches) Round 2
W	Ovidio Bojorquez #891 Welterweight	Combate Global - Ireland vs. Mexico Sunday, December 17th 2023	Decision (Unanimous) Round 3
L	Ashley Reece	UFL 2 - United Fight League 2 Saturday, May 13th 2023	Decision (Split) Round 3
W	Joliver Allan Mougang	Centurion FC - Ad Maiora Thursday, November 17th 2022	Decision (Unanimous) Round 3
W	Rade Novakovic	CFC Malta 9 - Centurion Fight Championship... Wednesday, August 24th 2022	Submission (Rear-Naked Choke) Round 1
W	Martin Antevski	CFC Malta - Centurion Fight Championship: ... Saturday, July 2nd 2022	TKO (Punches) Round 1
L	Yusuf Nazokatov	Bellator 270 - Queally vs. Pitbull 2 Friday, November 5th 2021	Submission (Heel Hook) Round 2