William Daniel “Billy” Quarantillo (born December 8, 1988) is an American mixed martial artist who currently competes in the Lightweight division of the Ultimate Fighting Championship. He was the former King of the Cage Lightweight Champion.
Mixed martial arts career
Early career Born in Ransomville, New York, and trained by way of his adopted hometown of Tampa, Quarantillo began his fighting tenure on the amateur circuit in July 2010. After the Gracie Tampa South representative posted an 8–2 mark through ten outings, he turned pro in 2013.
Quarantillo competed for various regional American organizations, in the process amassing a record of 11–2 and winning the King of the Cage Lightweight Championship and Strike Off Fighting Championships Featherweight Championship.
The Ultimate Fighter Quarantillo also competed on The Ultimate Fighter: Team McGregor vs. Team Faber in 2015. In the preliminary fights, he defeated Brandon Ricetti via TKO in the second round to become a member of Team Faber. In his second bout, he lost to Saul Rogers via unanimous decision after two rounds.
Dana White's Contender Series After earning 5 more wins and 1 loss on the regional circuit, Quarantillo eventually gained a second chance for a UFC contract on Dana White's Contender Series 21 on July 23, 2019. He successfully acquired a contract by defeating Kamuela Kirk via TKO in the third round.
Ultimate Fighting Championship Quarantillo made his UFC debut against short notice opponent Jacob Kilburn at UFC on ESPN 7 on December 7, 2019. He won the fight with a second round submission via triangle choke.
Quarantillo next faced Spike Carlyle at UFC on ESPN 9 on May 30, 2020, in a catchweight bout. He won the bout via a unanimous decision.
In his third bout for the promotion, Quarantillo faced Kyle Nelson on September 12, 2020, at UFC Fight Night 177. He won the fight via knockout in round three.
Quarantillo faced Gavin Tucker on December 12, 2020, at UFC 256. He lost the fight via unanimous decision.
Quarantillo was scheduled to face Herbert Burns on July 17, 2021, at UFC on ESPN 26. However, Burns pulled out in early June due to undisclosed reasons and was replaced by Gabriel Benítez. Quarantillo knocked Benítez down early and eventually won the bout via technical knockout in round three. This win earned him the Fight of the Night award.
Quarantillo fought Shane Burgos on November 6, 2021, at UFC 268. He lost the fight by unanimous decision.
Quarantillo was scheduled to face Bill Algeo on July 16, 2022, at UFC on ABC 3. However, he pulled out due to injury.
Quarantillo faced Alexander Hernandez on December 10, 2022, at UFC 282. He won the fight via technical knockout in the second round. This win earned him the Performance of the Night award.
Quarantillo faced Edson Barboza at UFC on ESPN 44. He lost the fight via knockout in the first round.
Quarantillo faced Damon Jackson on August 5, 2023, at UFC Fight Night 226. He won the fight by unanimous decision.
Quarantillo was scheduled to face Gabriel Miranda on March 23, 2024, at UFC on ESPN 53 However, Miranda was replaced by Youssef Zalal for unknown reasons. He lost the fight via rear-naked choke in round two.
Quarantillo faced Cub Swanson on December 14, 2024 at UFC on ESPN 63. He lost the fight via a one-two punch knockout in the third round. This fight earned him another Fight of the Night award.
Quarantillo faced Carlos Diego Ferreira on August 8, 2026 at UFC Fight Night 284. He lost the fight by unanimous decision. This fight earned him a $100,000 Fight of the Night award.
Personal life Quarantillo's elder brother Austin passed away in July 2025 at the age of 37. On July 26, 2026, Quarantillo and wife Brianna welcomed their third son.
Championships and accomplishments Ultimate Fighting Championship Fight of the Night (Three times) Performance of the Night (One time) Strike Off Fighting Championships Strike Off Fighting Championships Featherweight Champion (One time) King of the Cage King of the Cage Lightweight Champion (One time)
Mixed martial arts record
|Loss |align=center|18–8 |Carlos Diego Ferreira |Decision (unanimous) |UFC Fight Night: Gamrot vs. Salkilld | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States
|Loss |align=center|18–7 |Cub Swanson |KO (punch) |UFC on ESPN: Covington vs. Buckley | |align=center|3 |align=center|1:36 |Tampa, Florida, United States
|Loss |align=center|18–6 |Youssef Zalal |Submission (rear-naked choke) |UFC on ESPN: Ribas vs. Namajunas | |align=center|2 |align=center|1:50 |Las Vegas, Nevada, United States
|Win |align=center|18–5 |Damon Jackson |Decision (unanimous) |UFC on ESPN: Sandhagen vs. Font | |align=center|3 |align=center|5:00 |Nashville, Tennessee, United States
|Loss |align=center|17–5 |Edson Barboza |KO (knee) |UFC on ESPN: Holloway vs. Allen | |align=center|1 |align=center|2:37 |Kansas City, Missouri, United States
|Win |align=center|17–4 |Alexander Hernandez |TKO (knees and punches) |UFC 282 | |align=center|2 |align=center|4:30 |Las Vegas, Nevada, United States
|Loss |align=center|16–4 |Shane Burgos |Decision (unanimous) |UFC 268 | |align=center|3 |align=center|5:00 |New York City, New York, United States
|Win |align=center|16–3 |Gabriel Benítez |TKO (punches) |UFC on ESPN: Makhachev vs. Moisés | |align=center|3 |align=center|3:40 |Las Vegas, Nevada, United States
|Loss |align=center|15–3 |Gavin Tucker |Decision (unanimous) |UFC 256 | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States
|Win |align=center| 15–2 |Kyle Nelson |KO (punch) |UFC Fight Night: Waterson vs. Hill | |align=center|3 |align=center|0:07 |Las Vegas, Nevada, United States
|Win |align=center|14–2 |Spike Carlyle |Decision (unanimous) |UFC on ESPN: Woodley vs. Burns | |align=center|3 |align=center|5:00 |Las Vegas, Nevada, United States
|Win |align=center|13–2 |Jacob Kilburn |Submission (triangle choke) |UFC on ESPN: Overeem vs. Rozenstruik | |align=center|2 |align=center|3:18 |Washington, D.C., United States
| Win | align=center| 12–2 | Kamuela Kirk | TKO (punches) | Dana White's Contender Series 21 | | align=center| 3 | align=center| 0:22 | Las Vegas, Nevada, United States
| Win | align=center| 11–2 | Adrian Vilaca | TKO (punches) | KOTC: Combat Zone | | align=center| 2 | align=center| 4:32 | Niagara Falls, New York, United States
| Win | align=center| 10–2 | Eric Reynolds | TKO (punches) | V3 Fights 61 | | align=center| 1 | align=center| 1:00 | Tampa, Florida, United States
| Win | align=center|9–2 | Ryan Fillingame | TKO (retirement) | KOTC: Raw Deal | | align=center|2 | align=center|5:00 | Niagara Falls, New York, United States
| Win | align=center|8–2 | Matthew DiMarcantonio | Decision (unanimous) | KOTC: National Dispute | | align=center|3 | align=center|5:00 | Niagara Falls, New York, United States
| Loss | align=center|7–2 | Michel Quiñones | TKO (punches) | Absolute FC 25 | | align=center|1 | align=center|2:51 | Coconut Creek, Florida, United States
| Win | align=center|7–1 | Marc Stevens | Decision (unanimous) | Absolute FC 24 | | align=center|3 | align=center|5:00 | Coconut Creek, Florida, United States
| Win | align=center| 6–1 | Khama Worthy | TKO (punches) | Strike Off 4 | | align=center|2 | align=center|0:10 | Annandale, Virginia, United States
| Win | align=center| 5–1 | Terrell Hobbs | Submission (triangle choke) | Strike Off 2 | |align=Center|3 |align=center|2:13 |Woodbridge, Virginia, United States
| Win | align=center| 4–1 | Isaac Figueroa | Submission (rear-naked choke) | Real FC 31 | | align=center| 2 | align=center| 3:34 | Tampa, Florida, United States
| Win | align=center| 3–1 | Sandro da Silva | Submission (armbar) | Strike Off 1 | | align=center| 1 | align=center| 0:49 | Woodbridge, Virginia, United States
| Loss | align=center| 2–1 |J.P. Reese | Decision (unanimous) | Real FC 29 | | align=center| 3 | align=center| 5:00 | Tampa, Florida, United States
| Win | align=center| 2–0 | Howard Reece | Submission (armbar) | Real FC 28 | | align=center| 1 | align=center| 1:45 | Tampa, Florida, United States
| Win | align=center| 1–0 | John de Jesus | Decision (split) | Fight Time 13: MMA Kings | | align=center| 3 | align=center| 5:00 | Fort Lauderdale, Florida, United States
| Loss | align=center | 1–1 | Saul Rogers | Decision (unanimous) | rowspan=2|The Ultimate Fighter: Team McGregor vs. Team Faber | (air date) | align=center | 2 | align=center | 5:00 | rowspan=2|Las Vegas, Nevada, United States
| Win | align=center | 1–0 | Brandon Ricetti | TKO (punches) | (air date) | align=center | 2 | align=center | 2:53
Professional boxing record
ResultRecordOpponentTypeRound, timeDateLocationNotes1Win1–0 Curtis Waller45 October 2018
See also List of current UFC fighters List of Dana White's Contender Series alumni List of male mixed martial artists
References
External links