Marcin Prachnio

Marcin Prachnio (born July 14, 1988) is a Polish mixed martial artist currently competing in the Light Heavyweight division of the Ultimate Fighting Championship. A professional mixed martial artist since 2013, Prachnio has also competed in ONE Championship and Final Fight Championship.

Background
After three years of requesting his parents for permission, Prachnio started training karate at the age of 12. Eventually he became multiple-time Polish champion in kyokushin karate and placed second in European championships. Seeking for new challenges, Prachnio moved to Amsterdam in 2013 in order to transition to mixed martial arts.

Early career
Prachnio started his professional mixed martial arts career in 2013, competing solely in European regional circuit. He fought multiple times in Final Fight Championship promotion, eventually racking up a 9–2 record and claiming the promotion's Light Heavyweight Championship in the process. Prachnio decided to drop to middleweight and not defend his title, leading the title to be vacated.

ONE Championship
After claiming and vacating the Final Fight Championship title, Prachnio signed with the ONE Championship in 2016. Despite previous intentions to drop down to middleweight, he made his promotional debut in heavyweight division against Alexandre Machado at ONE: Tribe of Warriors on February 20, 2016. He won the bout via knockout in the first round.

Prachnio was scheduled to face Vitaly Bigdash for the ONE Middleweight World Championship bout on January 14, 2017, at ONE: Quest for Power. However, Prachnio was forced to withdraw due to injury and was replaced by Aung La Nsang.

He amassed an undefeated 4–0 run in the promotion and was in the title contention before signing with the UFC.

Ultimate Fighting Championship
The successful run in the ONE FC resulted in a contract with the UFC in 2018. In his promotional debut he faced Sam Alvey on February 24, 2018 at UFC on Fox 28. He lost the fight via knockout in the first round.

In his sophomore bout in the organization, Prachnio faced Magomed Ankalaev on September 15, 2018 at UFC Fight Night: Hunt vs. Oleinik. He lost the bout via knockout in the first round.

Prachnio faced Mike Rodríguez on August 22, 2020 at UFC on ESPN 15. He lost the fight via knockout in the first round.

Prachnio faced Khalil Rountree Jr. on January 24, 2021 at UFC 257. He won the fight via unanimous decision.

Prachnio faced Ike Villanueva on June 26, 2021 at UFC Fight Night 190. He won the fight via knockout out in round two. This fight earned him the Performance of the Night award.

Prachnio was scheduled to face Azamat Murzakanov on November 20, 2021 at UFC Fight Night 198. However, the bout was later scrapped due to visa issues.

Prachnio faced Philipe Lins on April 23, 2022 at UFC Fight Night 205. He lost the fight via unanimous decision.

Prachnio was scheduled to face William Knight on November 19, 2022, at UFC Fight Night 215. However, the bout was scrapped the week of the event for undisclosed reasons. The bout was rescheduled for UFC Fight Night 219 on February 18, 2023. He won the fight via unanimous decision.

Prachnio faced Vitor Petrino on July 8, 2023, at UFC 290. He lost the fight via an arm-triangle choke submission in the third round.

Prachnio faced Devin Clark on February 10, 2024, at UFC Fight Night 236. He won the bout by unanimous decision.

Prachnio is scheduled to face Modestas Bukauskas on July 27, 2024, at UFC 304.

Mixed martial arts

 * Ultimate Fighting Championships
 * Performance of the Night (One time) vs. Isaac Villanueva
 * Final Fight Championship
 * Final Fight Championship Light Heavyweight Championship (one time)