Sullivan Cauley Bio
Sullivan Troy Cauley, born on May 15, 1996, is an American professional mixed martial artist who competes in the light heavyweight division. He is signed with the Professional Fighters League (PFL) and also trains out of Dan’s Gym in Mesa, Arizona. A professional competitor since 2020, Cauley is widely recognized for his finishing ability, with most of his victories coming inside the opening round.
Before transitioning to mixed martial arts, Cauley built a strong foundation in freestyle wrestling and Muay Thai. He has competed for several major MMA promotions, including Bellator MMA and the PFL, establishing himself as a rising contender in the light heavyweight ranks.
Early Life and Background
Sullivan Troy Cauley was born on May 15, 1996, in Scottsdale, Arizona, United States. He grew up in the American Southwest and later moved to Reno, Nevada, where he attended Reno High School. Cauley began competing on the school’s wrestling team during his sophomore year, an experience that introduced him to combat sports and helped shape his competitive mindset.
After completing high school, Cauley continued his athletic and academic development at Arizona State University. There, he became a member of the Sun Devils wrestling program, training at a high collegiate level. His time with the Sun Devils allowed him to refine his grappling skills and prepare for a future in professional fighting.
In addition to wrestling, Cauley developed a passion for Muay Thai, which expanded his striking arsenal. He went on to represent the United States on the international stage, winning a silver medal in the +91 kg division at the 2019 IFMA World Muaythai Championships in the U-23 category. This achievement highlighted his well-rounded combat sports background.
Path to MMA
Cauley’s path to professional mixed martial arts was built on a foundation of collegiate-level wrestling and international Muay Thai success. After completing his collegiate career at Arizona State University, he committed to pursuing MMA full-time. He trained at Dan’s Gym, where he developed the skills necessary to transition from amateur standouts to a professional fighter.
His amateur achievements, including the 2019 IFMA World Muaythai Championships silver medal, gave him the confidence to enter the professional ranks. Cauley made the decision to compete at light heavyweight, a division that suited his physical attributes, including his height and reach.
In 2020, Cauley signed with Bellator MMA, a major North American promotion. His blend of wrestling, Muay Thai striking, and finishing instincts made him an attractive prospect for the organization, setting the stage for his professional debut later that year.
Sullivan Cauley Career
Bellator MMA Debut and Rise (2020–2023)
Sullivan Cauley made his professional MMA debut on November 19, 2020, at Bellator 253, where he faced Jason Markland. He won the bout by technical knockout in the first round, immediately signaling his finishing potential. The victory marked the beginning of an impressive unbeaten streak in Bellator.
Cauley continued his winning run on October 16, 2021, at Bellator 268, defeating Deon Clash via technical knockout with one second remaining in the opening round. On January 29, 2022, at Bellator 273, he faced Ben Parrish and once again won by technical knockout, this time with 25 seconds left in the first round. These dramatic finishes earned him a reputation as one of the promotion’s most dangerous prospects.
In 2022, Cauley added two more first-round knockouts to his record, defeating Tyson Jeffries at Bellator 284 on August 12, 2022, and Jay Radick at Bellator 288: Nemkov vs. Anderson 2 on November 18, 2022. His first professional loss came on March 31, 2023, at Bellator 293, when Luke Trainer submitted him via rear-naked choke in the first round. Cauley rebounded on August 11, 2023, at Bellator 298, defeating Hamza Salim by technical submission via arm-triangle choke in the first round.
Professional Fighters League Era (2025–Present)
On March 4, 2025, the Professional Fighters League announced that Sullivan Cauley would join the 2025 PFL Light Heavyweight Tournament. The move represented a fresh opportunity for the light heavyweight to compete in a tournament format and showcase his skills on a major stage.
Cauley was initially scheduled to face Marcelo Nunes in the quarterfinals on May 1, 2025, at PFL 4. However, Nunes withdrew and was replaced by former Legacy Fighting Alliance Heavyweight Champion Alex Polizzi. Cauley defeated Polizzi by technical knockout in the first round, advancing to the semifinals. In the next round, he faced Phil Davis at PFL 7 on June 27, 2025, and won via unanimous decision, a result that demonstrated his ability to compete across multiple rounds. By July 2025, Cauley had reached No. 10 in the light heavyweight rankings according to Fight Matrix.
Cauley faced Antônio Carlos Júnior in the tournament finals on August 21, 2025, at PFL 10. He lost the bout via submission in the second round, ending his tournament run. Despite the loss, his performances throughout 2025 cemented his status as a top contender in the PFL light heavyweight division.
Fighting Style and Strengths
Sullivan Cauley is known for his aggressive finishing ability, with six of his eight professional victories coming by knockout or technical knockout. His background in freestyle wrestling provides strong takedown defense and control, while his Muay Thai training gives him dangerous striking tools. Standing 191 cm tall with a 189 cm reach, he uses his physical attributes to pressure opponents and capitalize on finishing opportunities inside the opening round.
Notable Events and Milestones
One of Cauley’s most memorable moments came at Bellator 268, when he defeated Deon Clash by technical knockout with just one second remaining in the first round. He repeated similar late-round heroics against Ben Parrish at Bellator 273, finishing the fight with 25 seconds left. His silver medal at the 2019 IFMA World Muaythai Championships and his 2025 PFL semifinal victory over Phil Davis stand out as defining career milestones.
Sullivan Cauley Career Wins
Sullivan Cauley has compiled a professional record of eight wins and two losses, with victories distributed across Bellator MMA and the Professional Fighters League. He has demonstrated a clear finishing instinct throughout his career, particularly during his early Bellator run.
Bellator MMA Highlights
During his time in Bellator MMA, Cauley recorded six victories, five of which came by knockout or technical knockout and one by technical submission. His first promotional win came against Jason Markland at Bellator 253 in November 2020, and his most recent Bellator victory was against Hamza Salim at Bellator 298 in August 2023. His aggressive, fast-finishing style made him one of Bellator’s most talked-about light heavyweight prospects.
Professional Fighters League Performances
In the Professional Fighters League, Cauley secured two wins during the 2025 Light Heavyweight Tournament, defeating Alex Polizzi by technical knockout and Phil Davis by unanimous decision. His victory over the experienced Davis marked his first decision win in professional competition and highlighted his growth as a well-rounded fighter.
| Promotion | Wins | Losses | Wins by KO/TKO | Wins by Submission | Wins by Decision |
|---|---|---|---|---|---|
| Bellator MMA | 6 | 1 | 5 | 1 | 0 |
| Professional Fighters League | 2 | 1 | 1 | 0 | 1 |
| Total | 8 | 2 | 6 | 2 | 1 |
Sullivan Cauley Family
Personal Life
Sullivan Troy Cauley currently resides in Mesa, Arizona, where he trains at Dan’s Gym. He is known by the ring name “Sully.” Public information regarding his parents, spouse, or children has not been widely disclosed.
2025 Season Performance
Sullivan Cauley’s 2025 season was defined by his participation in the PFL Light Heavyweight Tournament. Entering the bracket as a fresh face in the promotion, he quickly made an impact with a first-round technical knockout of Alex Polizzi in the quarterfinals at PFL 4. The victory set up a high-profile matchup against former Bellator and UFC veteran Phil Davis.
Against Phil Davis at PFL 7 on June 27, 2025, Cauley delivered his first career decision win, showcasing improved cardio and strategic patience. By July 2025, he had climbed to No. 10 in the light heavyweight rankings according to Fight Matrix, reflecting his growing reputation within the division.
Cauley’s tournament run concluded on August 21, 2025, at PFL 10, where he faced Antônio Carlos Júnior in the finals. He lost via second-round submission, ending his 2025 campaign in the championship match. Despite the defeat, his performances throughout the year positioned him as a legitimate contender heading into future PFL competition.