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Yancy Medeiros

b. 1987

American martial artist

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About Yancy Medeiros

Born 1987. Yancy Medeiros is an American mixed martial arts fighter.

Yancy Medeiros Jr. (born September 7, 1987) is a former American mixed martial artist who competes in the Lightweight division. A professional competitor since 2007, he has competed for the Ultimate Fighting Championship, Bellator MMA, and Strikeforce.

Early life Medeiros grew up in Wai'anae Hawaii and at a young age began training in Karate. He is of Filipino and Native Hawaiian descent, known as Hapa Pukiki and Hapa Pilipino. Medeiros wrestled for his Waianae High School wrestling team, placing third in the state wrestling tournament his senior season. Yancy credits Kawika Pa'aluhi, an early pioneer of MMA in Hawaii, with motivating him to train and pursue a career in MMA.

Mixed martial arts career Early career Medeiros began his career 4–0 before defeating EliteXC veteran Po'ai Suganuma at Destiny MMA: Pier Fighter 1. After winning two more fights to bring his record to 7–0, fighting as a Light Heavyweight, he then signed with Strikeforce.

Strikeforce In his Strikeforce debut, moving down to Middleweight, Medeiros defeated Raul Castillo by unanimous decision at Strikeforce Challengers: Kaufman vs. Hashi. No. His next fight came against Gareth Joseph which Medeiros won via first-round KO due to punches at Strikeforce: Fedor vs. Werdum.

Medeiros was expected to face John Salter at Strikeforce Challengers: Woodley vs. Saffiedine. However, Medeiros was forced from the bout with an injury.

Ultimate Fighting Championship On January 31, 2013, it was announced that Medeiros would be brought over to the Ultimate Fighting Championship as part of the Strikeforce transition.

He dropped two weight classes to Lightweight and made his UFC debut against Rustam Khabilov on April 27, 2013, at UFC 159. The fight ended in unusual fashion as Medeiros dislocated his thumb during a takedown by Khabilov early in the first round, resulting in a TKO victory for Khabilov as Medeiros was unable to continue.

Medeiros took on Yves Edwards at UFC Fight For The Troops 3 on November 6, 2013. He won by KO in the first round. The win, however, was subsequently overturned when Medeiros tested positive for marijuana in his post-fight drug test.

Medeiros was expected to face promotional newcomer Joe Ellenberger on April 26, 2014, at UFC 172. However, in the week leading up to the event, Medeiros was pulled from the Ellenberger bout in favor of a match up on the main card with Jim Miller after his scheduled opponent Bobby Green pulled out of the bout. Medeiros lost the fight via submission in the first round.

Medeiros was expected to face Justin Edwards on August 30, 2014, at UFC 177. However, Edwards pulled out of the event in the days leading up to the event citing an injury. Medeiros instead faced promotional newcomer Damon Jackson. Medeiros won the fight by submission in the second round. The win also earned Medeiros his first Performance of the Night bonus award.

Medeiros faced Joe Proctor on December 12, 2014, at The Ultimate Fighter 20 Finale. Medeiros won the fight in the first round after dropping Proctor with a spinning back kick to the body and securing a guillotine choke to earn the submission. The result also earned Medeiros a Performance of the Night bonus.

Medeiros was expected to face Tony Ferguson on February 28, 2015, at UFC 184. However, Medeiros pulled out of the bout citing injury and was replaced by Gleison Tibau.

Medeiros faced Dustin Poirier on June 6, 2015, at UFC Fight Night 68. He lost the fight via TKO in the first round.

Medeiros faced John Makdessi on December 12, 2015, at UFC 194. He won the fight by split decision.

Medeiros next faced Francisco Trinaldo on May 14, 2016, at UFC 198. He lost the fight via unanimous decision. Both participants were awarded Fight of the Night honors.

Move up to welterweight Medeiros faced Sean Spencer in a welterweight bout on September 10, 2016, at UFC 203. He won the fight via submission in the second round and was awarded a Performance of the Night bonus.

Medeiros was expected to face Li Jingliang on January 28, 2017, at UFC on Fox 23. However, in early January, Medeiros pulled out for undisclosed reasons and was replaced by promotional newcomer Bobby Nash.

Medeiros faced Erick Silva on June 3, 2017, at UFC 212. He won the fight via TKO in the second round.

Medeiros faced Alex Oliveira on December 2, 2017, at UFC 218. He won the back-and-forth fight via TKO in the third round. The win also earned him his second Fight of the Night bonus award.

Medeiros faced Donald Cerrone on February 18, 2018, at UFC Fight Night 126. He lost the fight via technical knockout out in round one.

Medeiros was expected to face Mike Perry on July 7, 2018, at UFC 226. However, Medeiros pulled out of the fight on June 27 citing a rib injury and was replaced by Paul Felder.

Return to lightweight Medeiros faced Gregor Gillespie in a lightweight bout on January 19, 2019, at UFC Fight Night 143. He lost the fight via TKO in the second round.

Medeiros faced Lando Vannata on February 15, 2020, at UFC Fight Night: Anderson vs. Błachowicz 2. He lost the fight via unanimous decision.

Replacing injured Nikolas Motta, Medeiros was scheduled to fight Damir Hadžović on May 22, 2021, at UFC Fight Night: Font vs. Garbrandt. However, the bout was pulled from the card just hours before taking place due to health issues with Hadžović. The pairing was rescheduled on June 26, 2021, at UFC Fight Night 190. He lost the fight via unanimous decision. Subsequently, he tested positive for marijuana and was suspended for four-and-a-half months by NSAC, making him eligible to return to competition on November 9, 2021.

In August 2021, Medeiros was released from UFC.

Bellator MMA Medeiros faced Emmanuel Sanchez on April 23, 2022, at Bellator 279. Medeiros won the bout via unanimous decision.

Medeiros faced Charlie Leary on April 22, 2023, at Bellator 295. Even though he was dropped in the bout, Medeiros dropped Leary and after a barrage of punches, submitted him via rear-naked choke at the end of the first round. It was later announced that the victory was overturned to a no contest after Medeiros tested positive for a banned substance.

Medeiros next faced Jora Ayvazyan on September 7, 2024 at Bellator Champions Series 4, losing the fight via unanimous decision.

Personal life Medeiros started off his career fighting at light heavyweight. He then moved down to middleweight and eventually made his lightweight debut at UFC 159. Medeiros credits Nick Diaz and Nate Diaz for changing his diet and work ethic which allowed him to lose weight and move down in weight classes.

Championships and accomplishments Ultimate Fighting Championship Fight of the Night (Two times) vs. Francisco Trinaldo and Alex Oliveira ESPN 2017 Fight of the Year vs. Alex Oliveira at UFC 218 MMA Sucka 2017 Fight of the Year MMA Junkie 2017 #2 Ranked Fight of the Year

Mixed martial arts record Loss

Jora Ayvazyan Decision (unanimous) Bellator Champions Series 4

San Diego, California, United States NC

Charlie Leary NC (overturned) Bellator 295

Honolulu, Hawaii, United States Win

Emmanuel Sanchez Decision (unanimous) Bellator 279

Honolulu, Hawaii, United States Loss

Damir Hadžović Decision (unanimous) UFC Fight Night: Gane vs. Volkov

Las Vegas, Nevada, United States Loss

Lando Vannata Decision (unanimous) UFC Fight Night: Anderson vs. Błachowicz 2

Rio Rancho, New Mexico, United States Loss

Gregor Gillespie TKO (punches) UFC Fight Night: Cejudo vs. Dillashaw

Brooklyn, New York, United States Loss

Donald Cerrone TKO (punches) UFC Fight Night: Cowboy vs. Medeiros

Austin, Texas, United States Win

Alex Oliveira TKO (punches) UFC 218

Detroit, Michigan, United States Win

Erick Silva TKO (punches) UFC 212

Rio de Janeiro, Brazil Win

Sean Spencer Submission (rear-naked choke) UFC 203

Cleveland, Ohio, United States Loss

Francisco Trinaldo Decision (unanimous) UFC 198

Curitiba, Brazil Win

John Makdessi Decision (split) UFC 194

Las Vegas, Nevada, United States Loss

Dustin Poirier TKO (body kick and punches) UFC Fight Night: Boetsch vs. Henderson

New Orleans, Louisiana, United States Win

Joe Proctor Submission (guillotine choke) The Ultimate Fighter: A Champion Will Be Crowned Finale

Las Vegas, Nevada, United States Win

Damon Jackson Submission (reverse bulldog choke) UFC 177

Sacramento, California, United States Loss

Jim Miller Technical Submission (guillotine choke) UFC 172

Baltimore, Maryland, United States NC

Yves Edwards NC (overturned) UFC: Fight for the Troops 3

Fort Campbell, Kentucky, United States Loss

Rustam Khabilov

UFC 159

Newark, New Jersey, United States Win

Gareth Joseph KO (punches) Strikeforce: Fedor vs. Werdum

San Jose, California, United States Win

Raul Castillo Decision (unanimous) Strikeforce Challengers: Kaufman vs. Hashi

San Jose, California, United States Win

Zeke Prados TKO (punches) Destiny MMA: Maui No Kaoi

Wailuku, Hawaii, United States Win

Jake Yasui Submission (rear-naked choke) UNU 1: Seek and Destroy

Wailuku, Hawaii, United States Win

Po'ai Suganuma TKO (punches) Destiny MMA: Pier Fighter 1

Honolulu, Hawaii, United States Win

Gino Venti Decision (unanimous) Hawaii Fight League 4

Waipahu, Hawaii, United States Win

Larry Perreira KO (punches) Hawaii Fight League 3

Waipahu, Hawaii, United States Win

Eddie Ohia TKO (punches) Hawaii Fight League 2

Honolulu, Hawaii, United States Win

Rigo Mendoza KO (punches) Hawaii Fight League 1

Honolulu, Hawaii, United States

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Important facts

Birth century
Nationality
Education
Waianae High School

People in Yancy Medeiros's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Yancy Medeiros's

Frequently asked questions

Who is Yancy Medeiros?

American martial artist

When was Yancy Medeiros born?

Yancy Medeiros was born on 7 September 1987 in Waianae.

What is Yancy Medeiros's occupation?

Yancy Medeiros is a mixed martial arts fighter.

What nationality is Yancy Medeiros?

Yancy Medeiros is American.

Sources & further reading

· Wikipedia: Yancy Medeiros

· Wikidata: Q8048309

· DBpedia: Yancy Medeiros

Cite this page

APA: Biography.guide. (2026). Yancy Medeiros. https://biography.guide/yancy-medeiros/

MLA: "Yancy Medeiros." Biography.guide, https://biography.guide/yancy-medeiros/.

Chicago: "Yancy Medeiros." Biography.guide. https://biography.guide/yancy-medeiros/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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