Brian Kelleher

“Boom”

MMA · Retired

24-16RECORD

8KO / TKO WINS

10SUBMISSION WINS

6DECISION WINS

Profile

Full name	Brian Matthew Kelleher
Nickname	Boom
Date of birth	19 Aug 1986
Nationality	American
Birthplace	Selden, New York, USA
Lives in	Selden, New York, USA
Division	Bantamweight
Team	Long Island MMA
Height	168 cm (5′6″)
Reach	168 cm (66″)
Stance	Orthodox
Years active	2011–2024
Status	Retired
Pro debut	11 Mar 2011
Last fight	Loss vs Cody Gibson, 20 Jul 2024

Details on this page were compiled from public information on 11 Oct 2026 (the record is as of that date). Is this you? Claim this profile to correct anything and add your photo and bio. Claim this profile

Titles and honours

Former Ring of Combat Bantamweight Champion
Former WCMMA Featherweight Champion
Performance of the Night (x3)
Fight of the Night (x2)

Background

American bantamweight and featherweight from Selden, New York, who joined the UFC in 2017 as a short-notice replacement after winning the Ring of Combat bantamweight title. He announced his retirement from MMA in February 2025.

Fight history

40 professional fights. Newest first.

Result	Opponent	Method	Round	Time	Event	Date	Location	Notes
Loss	Cody Gibson	Submission (arm-triangle choke)	1	3:58	UFC Fight Night: Lemos vs. Jandiroba	20 Jul 2024	Las Vegas, Nevada, USA
Loss	Cody Garbrandt	KO (punch)	1	3:42	UFC 296: Edwards vs. Covington	16 Dec 2023	Las Vegas, Nevada, USA
Loss	Mario Bautista	Submission (rear-naked choke)	1	2:27	UFC Fight Night: Tsarukyan vs. Gamrot	25 Jun 2022	Las Vegas, Nevada, USA
Loss	Umar Nurmagomedov	Submission (rear-naked choke)	1	3:15	UFC 272: Covington vs. Masvidal	5 Mar 2022	Las Vegas, Nevada, USA	Featherweight bout
Win	Kevin Croom	Decision (unanimous)	3	5:00	UFC Fight Night: Kattar vs. Chikadze	15 Jan 2022	Las Vegas, Nevada, USA	Featherweight bout
Win	Domingo Pilarte	Decision (unanimous)	3	5:00	UFC Fight Night: Cannonier vs. Gastelum	21 Aug 2021	Las Vegas, Nevada, USA
Loss	Ricky Simon	Decision (unanimous)	3	5:00	UFC 258: Usman vs. Burns	13 Feb 2021	Las Vegas, Nevada, USA	Featherweight bout
Win	Ray Rodriguez	Submission (guillotine choke)	1	0:39	UFC Fight Night: Overeem vs. Sakai	5 Sep 2020	Las Vegas, Nevada, USA	Performance of the Night
Loss	Cody Stamann	Decision (unanimous)	3	5:00	UFC 250: Nunes vs. Spencer	6 Jun 2020	Las Vegas, Nevada, USA	Featherweight bout
Win	Hunter Azure	KO (punches)	2	3:40	UFC Fight Night: Smith vs. Teixeira	13 May 2020	Jacksonville, Florida, USA	Fight of the Night
Win	Ode Osbourne	Submission (guillotine choke)	1	2:49	UFC 246: McGregor vs. Cowboy	18 Jan 2020	Las Vegas, Nevada, USA	Performance of the Night
Loss	Montel Jackson	Submission (D'Arce choke)	1	1:40	UFC 232: Jones vs. Gustafsson 2	29 Dec 2018	Los Angeles, California, USA	Catchweight (137 lb)
Loss	John Lineker	KO (punch)	3	3:43	UFC 224: Nunes vs. Pennington	12 May 2018	Rio de Janeiro, Rio de Janeiro, Brazil
Win	Renan Barao	Decision (unanimous)	3	5:00	UFC Fight Night: Emmett vs. Stephens	24 Feb 2018	Orlando, Florida, USA
Win	Damian Stasiak	TKO (punches)	3	3:39	UFC Fight Night: Cerrone vs. Till	21 Oct 2017	Gdansk, Poland	Fight of the Night
Loss	Marlon Vera	Submission (armbar)	1	2:18	UFC Fight Night: Weidman vs. Gastelum	22 Jul 2017	Uniondale, New York, USA
Win	Iuri Alcantara	Submission (guillotine choke)	1	1:48	UFC 212: Aldo vs. Holloway	3 Jun 2017	Rio de Janeiro, Rio de Janeiro, Brazil	UFC debut; Performance of the Night
Win	Julio Arce	Submission (guillotine choke)	3	0:18	Ring of Combat 54	4 Mar 2016	Atlantic City, New Jersey, USA	Defended the Ring of Combat Bantamweight Championship
Win	Josh Robinson	KO (spinning backfist)	3	0:24	Ring of Combat 53	20 Nov 2015	Atlantic City, New Jersey, USA
Win	Julio Arce	Decision (majority)	3	5:00	Ring of Combat 52	25 Sep 2015	Atlantic City, New Jersey, USA	Won the Ring of Combat Bantamweight Championship
Win	Jay Haas	Submission (guillotine choke)	1	4:49	CFFC 49	6 Jun 2015	Bethlehem, Pennsylvania, USA	Catchweight (140 lb)
Win	Andre Soukhamthath	Decision (unanimous)	3	5:00	CES MMA 28	13 Mar 2015	Lincoln, Rhode Island, USA
Win	Mark Cherico	Submission (guillotine choke)	1	0:37	Pinnacle FC: Pittsburgh Challenge Series 9	26 Nov 2014	Canonsburg, Pennsylvania, USA	Catchweight (138 lb)
Loss	Andy Main	Submission (triangle choke)	1	1:26	CFFC 34	19 Apr 2014	Morristown, New Jersey, USA
Win	Lester Caslow	Submission (rear-naked choke)	2	1:34	CFFC 31	8 Feb 2014	Atlantic City, New Jersey, USA
Loss	Jeff Smith	Submission (armbar)	2	4:39	CFFC 29	1 Nov 2013	King of Prussia, Pennsylvania, USA	Catchweight (155 lb)
Loss	Scott Heckman	Decision (unanimous)	3	5:00	CFFC 27	21 Sep 2013	King of Prussia, Pennsylvania, USA
Loss	Jimmie Rivera	Decision (unanimous)	3	5:00	Bellator 95	4 Apr 2013	Atlantic City, New Jersey, USA	Catchweight (140 lb)
Win	Tyler Kahihikolo	Decision (unanimous)	3	5:00	Coalition of Combat: Free 4 All	1 Dec 2012	Phoenix, Arizona, USA
Win	Bill Jones	KO (punch)	1	0:10	WCMMA 1: Portugal vs. USA	15 Sep 2012	Ledyard, Connecticut, USA	Won the vacant WCMMA Featherweight Championship
Win	Ryan Vaccaro	TKO (flying knee)	2	0:56	Rock Out Knock Out	2 Jun 2012	Asbury Park, New Jersey, USA
Win	Raphael Chaves	TKO (punches)	2	3:41	CFFC 14	14 Apr 2012	Atlantic City, New Jersey, USA
Win	Josh Parker	Submission (rear-naked choke)	1	4:31	NEF: Fight Night 1	11 Feb 2012	Lewiston, Maine, USA
Loss	Artur Rofi	Submission (armbar)	1	4:57	CFFC 12	10 Dec 2011	Atlantic City, New Jersey, USA
Loss	Claudio Ledesma	Decision (unanimous)	3	5:00	Bellator 54	15 Oct 2011	Atlantic City, New Jersey, USA	Catchweight (140 lb)
Win	Michael LaDuke	TKO (doctor stoppage)	3	3:14	Ring of Combat 37	9 Sep 2011	Atlantic City, New Jersey, USA
Win	Manny Millan	Submission (rear-naked choke)	1	3:34	XFE: Cage Wars 8	29 Jul 2011	Atlantic City, New Jersey, USA
Win	Siyam Yousefi	Submission (guillotine choke)	1	2:41	CFFC 8	20 May 2011	Atlantic City, New Jersey, USA
Win	Nate Ainsworth	KO (punch)	1	0:23	CZ 37	29 Apr 2011	Salem, New Hampshire, USA
Loss	Dan Cion	Submission (guillotine choke)	1	4:42	XFE: Cage Wars 5	11 Mar 2011	Chester, Pennsylvania, USA	Pro debut