Brian Matthew Kelleher (born August 19, 1986) is an American former professional mixed martial artist. Kelleher competed in the

Bantamweight Bantamweight is a weight class in combat sports and weightlifting. For boxing, the range is above and up to . In kickboxing, a bantamweight fighter generally weighs between . In mixed martial arts, MMA, bantamweight is . The name for the class ...

division of the

Ultimate Fighting Championship The Ultimate Fighting Championship (UFC) is an American mixed martial arts (MMA) promoter (entertainment), promotion company based in Las Vegas, Nevada. It is owned and operated by TKO Group Holdings, a majority owned subsidiary of Endeavor ( ...

(UFC). A professional competitor from 2011 to 2025, Kelleher has also competed for

Bellator Bellator, warrior in Latin, may refer to: * Bellator MMA, a mixed martial arts promotion based in the United States * Bishop Bellator of Sufetula (5th century) Taxonomy * ''Bellator'' (fish), a fish genus in the family Triglidae (sea robins) ** ...

and

CES MMA CES MMA (Classic Entertainment & Sports) is a mixed martial arts promotional firm based out of Providence, Rhode Island founded by boxing promoter Jimmy Burchfield Sr. It promoted the first sanctioned professional mixed martial event in the stat ...

Background

Kelleher was born on August 19, 1986, in

Selden, New York Selden (historically known as Westfield) is a hamlet and census-designated place (CDP) in the Town of Brookhaven in Suffolk County, New York, United States. The population was 21,262 at the time of the 2020 census. History Early settlement The ...

, the son of Matt and Jen Kelleher. Kelleher has an older brother Keith and a younger brother Mak who is also a professional mixed martial artist. Kelleher competed in a variety of sports from a young age including

ice hockey Ice hockey (or simply hockey in North America) is a team sport played on ice skates, usually on an Ice rink, ice skating rink with Ice hockey rink, lines and markings specific to the sport. It belongs to a family of sports called hockey. Tw ...

soccer Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 Football player, players who almost exclusively use their feet to propel a Ball (association football), ball around a rectangular f ...

and

bowling Bowling is a Throwing sports#Target sports, target sport and recreational activity in which a player rolls a bowling ball, ball toward Bowling pin, pins (in pin bowling) or another target (in target bowling). Most references to ''bowling'' are ...

. He later began combat sport training in 2007.

Mixed martial arts career

Ultimate Fighting Championship

Kelleher made his promotional debut against

Iuri Alcântara Iuri Alcântara (born 4 August 1980) is a Brazilian mixed martial artist who competed in the UFC bantamweight division. A professional MMA competitor since 2003, Alcântara mostly fought in Brazil before signing with World Extreme Cagefighting ...

on short notice at

UFC 212 ''UFC 212: Aldo vs. Holloway'' was a mixed martial arts event produced by the Ultimate Fighting Championship held on June 3, 2017, at the Jeunesse Arena in Rio de Janeiro, Brazil. Background A UFC Featherweight Championship unification bout betwe ...

on June 3, 2017. He won the fight via submission due to a guillotine choke in the first round and was awarded a ''Performance of the Night'' bonus. Kelleher next faced

Marlon Vera Marlon Andrés Vera Delgado (born December 2, 1992), also known as Chito Vera, is an Ecuadorian professional mixed martial artist who currently competes in the Bantamweight division of the Ultimate Fighting Championship (UFC). As of February 25, ...

on July 22, 2017, at

UFC on Fox 25 ''UFC on Fox: Weidman vs. Gastelum'' (also known as ''UFC on Fox 25'') was a mixed martial arts event produced by the Ultimate Fighting Championship held on July 22, 2017, at the Nassau Veterans Memorial Coliseum in Uniondale, New York. Backgroun ...

. He lost the fight via armbar submission in the first round. Kelleher faced

Damian Stasiak Damian Stasiak (born February 20, 1990) is a former Polish mixed martial artist recently competing in the Featherweight division of the Konfrontacja Sztuk Walki (KSW). A professional competitor since 2011, he formerly competed for the Ultimate Fi ...

on October 21, 2017, at UFC Fight Night 118. He won the fight via technical knockout in the third round. This win earned him the Fight of the Night award. Kelleher faced

Renan Barão Renan do Nascimento Mota Pegado (born 31 January 1987), known as Renan Barão, is a Brazilian professional mixed martial artist and a former UFC Bantamweight Champion. According to Fight Matrix, Barão holds the third longest unbeaten streak i ...

on February 24, 2018, at

UFC on Fox 28 ''UFC on Fox: Emmett vs. Stephens'' (also known as ''UFC on Fox 28'') was a mixed martial arts event produced by the Ultimate Fighting Championship held on February 24, 2018, at Amway Center in Orlando, Florida, United States. Background The even ...

. He won the fight by unanimous decision. Kelleher faced

John Lineker John Lineker (born June 12, 1990) is a Brazilian Muay Thai kickboxer and mixed martial artist currently signed to ONE Championship, where he is the former ONE Bantamweight MMA World Champion. Lineker formerly competed in the bantamweight divisio ...

on May 12, 2018, at

UFC 224 ''UFC 224: Nunes vs. Pennington'' was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on May 12, 2018, at the Jeunesse Arena in Rio de Janeiro, Brazil. Background The UFC was initially targeting a UFC Wome ...

. He lost the fight via knockout in the third round. Kelleher was originally scheduled to face Domingo Pilarte on November 3, 2018, at

UFC 230 ''UFC 230: Cormier vs. Lewis'' was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on November 3, 2018 at Madison Square Garden in New York City, New York. Background A UFC Heavyweight Championship bou ...

. Pilarte was forced to withdraw from the bout, citing an injury, and Kelleher is now slated to face

Montel Jackson Montel Samuel Jackson (born April 24, 1992) is an American professional mixed martial artist. He currently competes in the Bantamweight (MMA), Bantamweight division of the Ultimate Fighting Championship (UFC). As of May 6, 2025, he is #14 in the ...

. At the weigh-ins, Kelleher weight at 137 pounds, 1 pound over the bantamweight non-title fight limit of 136. He was fined 20 percent of his purse, which went to his opponent Jackson. On November 3, it was reported that Kelleher withdrew from the bout due to illness and thus the fight was cancelled. The pairing was left intact and rescheduled for December 29, 2018, at

UFC 232 ''UFC 232: Jones vs. Gustafsson 2'' was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on December 29, 2018, at The Forum (Inglewood, California), The Forum in Inglewood, California. Background A UFC Ligh ...

. At the weigh-ins, Jackson weighed in at 137 lbs, 1 pound over the non-title fight bantamweight limit of 136 lbs. Jackson was fined 20 percent of his purse to Kelleher and the fight proceeded at catchweight. Kelleher lost the fight via submission in the first round. Kelleher was scheduled to face

Mitch Gagnon Mitch Gagnon (born October 10, 1984) is a retired Canadians, Canadian mixed martial artist who competed in the Bantamweight (MMA), Bantamweight division. He is most notable for his time in the Ultimate Fighting Championship. Mixed martial arts c ...

on May 4, 2019, at

UFC Fight Night 150 The Ultimate Fighting Championship (UFC) is an American mixed martial arts (MMA) promotion company based in Las Vegas, Nevada. It is owned and operated by TKO Group Holdings, a majority owned subsidiary of Endeavor Group Holdings. The large ...

. However, Kelleher pulled out of the fight on April 10, citing an injury, and he was replaced by promotional newcomer Cole Smith. As the last fight of his prevailing contract, Kelleher faced

Ode' Osbourne Ode’ Omaani Osbourne (born January 9, 1992) is a Jamaican mixed martial artist who currently competes in the Flyweight division of the Ultimate Fighting Championship (UFC). Background Growing up in Kingston, Jamaica, Osbourne lived primarily wi ...

UFC 246 ''UFC 246: McGregor vs. Cowboy'' was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on January 18, 2020, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States. ...

on January 18, 2020. He won the fight via a submission in the first round. This win earned him a

Performance of the Night UFC Bonus Awards are three separate cash bonuses usually awarded to four fighters after each UFC event, based on internal decisions by UFC management. More/fewer bonuses have been awarded at some events, especially when no knockouts or submissions ...

award. After negotiating a new contract, Kelleher faced

Hunter Azure Hunter Azure (born March 2, 1992) is an American professional mixed martial artist who competed in the bantamweight division of the Ultimate Fighting Championship (UFC). Background Azure was born on the Fort Peck Indian Reservation in Poplar ...

in a featherweight contest on May 13, 2020, at UFC Fight Night: Smith vs. Teixeira. He won the fight via knockout in round two. This fight earned him another '' Fight of the Night'' award. Kelleher faced

Cody Stamann Cody Stamann (born November 9, 1989) is an American mixed martial artist who competed in the Featherweight division of the Ultimate Fighting Championship. Background Stamann was born in Grand Rapids, Michigan and attended Grand Valley State Univ ...

on June 6, 2020, at

UFC 250 ''UFC 250: Nunes vs. Spencer'' was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 6, 2020 at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United States. I ...

. He lost the bout via unanimous decision. Kelleher was scheduled to face

Ricky Simón Ricky Simón (born August 31, 1992) is an American professional mixed martial artist who currently competes in the Bantamweight (MMA), Bantamweight division of the Ultimate Fighting Championship (UFC). A professional since 2012, he was a former L ...

on September 5, 2020, at

UFC Fight Night 176 ''UFC Fight Night: Overeem vs. Sakai'' (also known as ''UFC Fight Night 176'', ''UFC on ESPN+ 34'' and ''UFC Vegas 9'') was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on September 5, 2020, at the UF ...

. However, Simón's cornerman tested positive for

COVID-19 Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. The symptoms of COVID‑19 can vary but often include fever ...

and he was forced to withdraw from the event, and he was replaced by promotional newcomer Kevin Natividad. In turn, Natividad was pulled from the matchup on the day of the event due to undisclosed reasons, and he was replaced by fellow newcomer Ray Rodriguez, who weighed in as a backup. Kelleher won the fight via a guillotine choke in round one. This win earned him a

award. The bout against Simón was rescheduled on January 16, 2021, at

UFC on ABC 1 ''UFC on ABC: Holloway vs. Kattar'' (also known as ''UFC on ABC 1'' and ''UFC Fight Island 7'') was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on January 16, 2021, at the Etihad Arena on Yas Island, ...

. However, Kelleher also tested positive on January 1 and was pulled from the bout. He was replaced by newcomer Gaetano Pirello and the bout will take place four days later at UFC on ESPN: Chiesa vs. Magny. The bout between Kelleher and

was rebooked for the third time and took place at

UFC 258 ''UFC 258: Usman vs. Burns'' was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on February 13, 2021, at the UFC Apex facility in Enterprise, Nevada, part of the Las Vegas Metropolitan Area, United State ...

on February 13, 2021. Kelleher lost the fight via unanimous decision. Kelleher faced Domingo Pilarte on August 21, 2021, at UFC on ESPN: Cannonier vs. Gastelum. He won the fight via unanimous decision. Kelleher was scheduled to face Saidyokub Kakhramonov on January 15, 2022, at

UFC on ESPN 32 ''UFC on ESPN: Kattar vs. Chikadze'' (also known as ''UFC on ESPN 32 '' and ''UFC Vegas 46'') was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on January 15, 2022 at the UFC Apex facility in Enterprise ...

. However, Kakhramonov withdrew from the bout for undisclosed reason and he was replaced by

Kevin Croom Kevin Croom (born July 15, 1987) is an American mixed martial artist currently competing in the Lightweight division. A professional since 2009, he has fought in the UFC, Bellator, Titan FC, the RFA, the LFA, and CES MMA. Mixed martial arts car ...

. He won the fight via unanimous decision after knocking Croom down once in the first round. As the first bout of his new four-fight contract, Kelleher faced

Umar Nurmagomedov Umar Magomednabiyevich Nurmagomedov (; born January 3, 1996) is a Russian professional mixed martial artist. He currently competes in the Bantamweight division of the Ultimate Fighting Championship (UFC). Nurmagomedov has previously competed in ...

on March 5, 2022, at

UFC 272 ''UFC 272: Covington vs. Masvidal'' was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on March 5, 2022, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United States. ...

. He lost the fight via a rear naked choke in round one. Kelleher faced

Mario Bautista Mario Alberto Bautista (born July 1, 1993) is an American professional mixed martial artist. He currently competes in the Bantamweight division of the Ultimate Fighting Championship (UFC). As of June 10, 2025, he is #9 in the UFC bantamweight ra ...

on June 25, 2022, at

UFC on ESPN 38 ''UFC on ESPN: Tsarukyan vs. Gamrot'' (also known as ''UFC on ESPN 38'' and ''UFC Vegas 57'') was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on June 25, 2022, at the UFC Apex facility in Enterprise, ...

. He lost the fight via a rear-naked choke submission in the first round. Kelleher was scheduled to face

Journey Newson Journey Ja-rel Newson (born March 7, 1989) is an American mixed martial artist who competes in the Bantamweight division. A professional since 2015, he is most notable for his time in the Ultimate Fighting Championship. Background Newson grew up ...

on April 29, 2023, at UFC on ESPN: Song vs. Simón. However, Kelleher pulled out of his bantamweight bout against

. He was replaced by Marcus McGhee. Kelleher faced former UFC Bantamweight Champion

Cody Garbrandt Cody Ray Allen Garbrandt (born July 7, 1991) is an American professional mixed martial artist. He currently competes in the Bantamweight division of the Ultimate Fighting Championship (UFC), where he is a former UFC Bantamweight Champion. Backg ...

on December 16, 2023 at

UFC 296 ''UFC 296: Edwards vs. Covington'' was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on December 16, 2023, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas Metropolitan Area, United Stat ...

. He lost the fight via knockout in the first round. Kelleher faced

Cody Gibson Cody Gibson (born September 11, 1987) is an American mixed martial artist who competes in the Bantamweight division in the Ultimate Fighting Championship (UFC). Background Born in Blackwell, Oklahoma, in 1987, Gibson and his brother Keith were a ...

on July 20, 2024, at

UFC on ESPN 60 ''UFC on ESPN: Lemos vs. Jandiroba'' (also known as ''UFC on ESPN 60'' and ''UFC Vegas 94'') was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on July 20, 2024, at the UFC Apex facility, in Enterprise, ...

. He lost the fight by an arm-triangle choke submission in the first round. On October 9, 2024, it was reported that Kelleher was removed from the UFC roster. On February 26, 2025, it was announced that Kelleher had retired from MMA competition.

Championships and accomplishments

(Three times) ** Fight of the Night (Two times) **UFC.com Awards ***2017: Ranked #7 Upset of the Year ***2018: Ranked #8 Upset of the Year *Ring of Combat **Bantamweight Championship (One time; former) ***One successful title defense

Mixed martial arts record

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Las Vegas, Nevada Las Vegas, colloquially referred to as Vegas, is the most populous city in the U.S. state of Nevada and the county seat of Clark County. The Las Vegas Valley metropolitan area is the largest within the greater Mojave Desert, and second-l ...

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Inglewood, California Inglewood is a city in southwestern Los Angeles County, California, United States, in the Greater Los Angeles, Greater Los Angeles metropolitan area. As of the 2020 United States census, 2020 U.S. census, the city had a population of 107,762. ...

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, , align=center, 3 , align=center, 3:43 ,

Rio de Janeiro Rio de Janeiro, or simply Rio, is the capital of the Rio de Janeiro (state), state of Rio de Janeiro. It is the List of cities in Brazil by population, second-most-populous city in Brazil (after São Paulo) and the Largest cities in the America ...

, Brazil , , - , Win , align=center, 19–8 ,

, Decision (unanimous) , UFC on Fox: Emmett vs. Stephens , , align=center, 3 , align=center, 5:00 ,

Orlando, Florida Orlando ( ) is a city in and the county seat of Orange County, Florida, United States. The city proper had a population of 307,573 at the 2020 census, making it the fourth-most populous city in Florida behind Jacksonville, Florida, Jacksonville ...

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, TKO (punches) , UFC Fight Night: Cerrone vs. Till , , align=center, 3 , align=center, 3:39 ,

Gdańsk Gdańsk is a city on the Baltic Sea, Baltic coast of northern Poland, and the capital of the Pomeranian Voivodeship. With a population of 486,492, Data for territorial unit 2261000. it is Poland's sixth-largest city and principal seaport. Gdań ...

, Poland , , - , Loss , align=center, 17–8 ,

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Uniondale, New York Uniondale is a hamlet and census-designated place (CDP) in central Nassau County, New York, on Long Island, in the Town of Hempstead, within the New York metropolitan area. The population was 32,473 at the time of the 2020 United States census ...

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Julio Arce Julio Arce (born October 27, 1989) is an American mixed martial artist. He was the former Ring of Combat bantamweight and featherweight champion. He also won the Golden Gloves 2011 Championship. Arce competed in the Bantamweight division in the ...

, Submission (guillotine choke) , Ring of Combat 54 , , align=center, 3 , align=center, 0:18 ,

Atlantic City, New Jersey Atlantic City, sometimes referred to by its initials A.C., is a Jersey Shore seaside resort city (New Jersey), city in Atlantic County, New Jersey, Atlantic County, in the U.S. state of New Jersey. Atlantic City comprises the second half of ...

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Bethlehem, Pennsylvania Bethlehem is a city in Northampton County, Pennsylvania, Northampton and Lehigh County, Pennsylvania, Lehigh counties in the Lehigh Valley region of eastern Pennsylvania, United States. As of the 2020 United States census, 2020 census, Bethle ...

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Andre Soukhamthath Andre Soukhamthath (, born October 23, 1988) is a retired American mixed martial artist who competed in the Bantamweight division. A professional mixed martial artist from 2011 until 2022, he had competed in the Ultimate Fighting Championship and ...

, Decision (unanimous) , CES MMA 28 , , align=center, 3 , align=center, 5:00 ,

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, United States , , - , Win , align=center, 11–7 , Mark Cherico , Submission (guillotine choke) , Pinnacle FC 9 , , align=center, 1 , align=center, 0:37 ,

Canonsburg, Pennsylvania Canonsburg is a Borough (Pennsylvania), borough in Washington County, Pennsylvania, United States, southwest of Pittsburgh. The population was 9,735 at the 2020 census. Canonsburg was laid out by Colonel John Canon in 1789 and incorporated in 180 ...

, United States , , - , Loss , align=center, 10–7 , Andy Main , Submission (triangle choke) , CCFC 34 , , align=center, 1 , align=center, 1:26 ,

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King of Prussia, Pennsylvania King of Prussia (nicknamed K.O.P.) is a census-designated place in Upper Merion Township, Pennsylvania, Upper Merion Township in Montgomery County, Pennsylvania, United States. The community took its unusual name in the 18th century from a loca ...

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Jimmie Rivera Jimmie Rivera (born June 29, 1989) is an American professional mixed martial artist and bare-knuckle boxer, currently signed to Bare Knuckle Fighting Championship (BKFC). Prior to signing with BKFC, Rivera competed in the UFC's Bantamweight divis ...

, Decision (unanimous) ,

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, United States , , - , Win , align=center, 7–3 , Ryan Vaccaro , TKO (flying knee) , Rock Out Knock Out , , align=center, 2 , align=center, 0:56 ,

Asbury Park, New Jersey Asbury Park () is a beachfront city located on the Jersey Shore in Monmouth County in the U.S. state of New Jersey. It is part of the New York metropolitan area. As of the 2020 United States census, the city's population was 15,188, a decr ...

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Claudio Ledesma Claudio Ledesma (born April 2, 1983) is an American mixed martial artist currently competing as a Flyweight. A professional competitor since 2009, Ledesma has previously competed for Bellator. Mixed martial arts career Early career Making his p ...

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Bellator 54 2011 in Bellator MMA was the fourth installment of the Bellator Fighting Championships. Mixed martial arts tournaments were held in multiple weight classes, including three of the original tournament classes: Welterweight, Lightweight and Feathe ...

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, United States , , - , Win , align=center, 4–1 , Michael LaDuke , TKO (doctor stoppage) , Ring of Combat 37 , , align=center, 3 , align=center, 3:14 ,

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Salem, New Hampshire Salem is a town in Rockingham County, New Hampshire, United States. The population was 30,089 at the 2020 census and an estimated 30,647 in 2022. Salem is a northern suburb of Boston located on Interstate 93. As the first town along I-93 north ...

, United States , , - , Loss , align=center, 0–1 , Dan Cion , Submission (guillotine choke) , Xtreme Fight Events: Cage Wars 5 , , align=center, 1 , align=center, 4:42 ,

Chester, Pennsylvania Chester is a city in Delaware County, Pennsylvania, United States. It is located in the Philadelphia metropolitan area (also known as the Delaware Valley) on the western bank of the Delaware River between Philadelphia and Wilmington, Delaware. ...

, United States ,

References

External links

* * {{DEFAULTSORT:Kelleher, Brian American male mixed martial artists Bantamweight mixed martial artists Featherweight mixed martial artists Mixed martial artists utilizing Brazilian jiu-jitsu Mixed martial artists from New York (state) Living people 1986 births American practitioners of Brazilian jiu-jitsu People from Oceanside, New York Sportspeople from Hempstead, New York Ultimate Fighting Championship male fighters

Background

Mixed martial arts career

Ultimate Fighting Championship

Championships and accomplishments

Mixed martial arts record

See also

References

External links