Michał Oleksiejczuk is a Polish mixed martial artist who competes in the middleweight division of the Ultimate Fighting Championship (UFC). Oleksiejczuk began his professional career in 2014 and quickly gained recognition for his dynamic fighting style and knockout power.
You can follow Michal Oleksiejczuk’s biography, personal details, career overview, net worth, fight purses, records, achievements, and more here.
Michał Oleksiejczuk’s Biography
| Detail | Information |
| Full Name | Michał Oleksiejczuk |
| Nickname | Hussar |
| Birth Date | February 22, 1995 |
| Birthplace | Poland |
| Height | 6’0″ (182.88 cm) |
| Weight | 185 lbs (83.91 kg) |
| Nationality | Polish |
| Family Members | Younger brother Cezary Oleksiejczuk (also a professional MMA fighter) |
| Professional Debut | 2014 |
| Training Background | Ankos MMA |
| Turned Professional | 2014 |
| Current Net Worth | $2.4 million |
| Relationship Status | Married |
Early Career
Michał Oleksiejczuk stepped into his first professional cage on January 11, 2014, at Vale Tudo Cup 1, where he secured a unanimous decision win over Rajmund Flejmer.
Fighting primarily in Poland’s regional promotions like Thunderstrike Fight League (TFL) and Fight Exclusive Night (FEN), he quickly built a reputation for heavy hands and aggressive forward pressure.
Over his first two years, he compiled a 12–2 record, claiming the TFL light heavyweight title in early 2016 after submitting Łukasz Borowski in the second round.
Training out of Akademia Sportów Walki Wilanów under coach Andrzej Kościelski, Oleksiejczuk honed both his striking and grappling. He earned a purple belt in Brazilian Jiu-Jitsu, adding submission skills to his knockout power.
His early bouts often ended inside the first round, showcasing a dedication to finishing fights rather than leaving them to the judges. These performances caught the eye of UFC matchmakers, who signed him in late 2017. His blend of visceral striking and a willingness to press the action marked him as a prospect with genuine highlight-reel potential.
During this period, he balanced rigorous fight camps with family life back in Barki, Poland. Oleksiejczuk’s willingness to take on tough opponents in their home territory earned respect across Europe.
By the time of his UFC contract signing, he embodied the classic “underdog turned contender” narrative, forging a path from small regional shows to the world’s biggest MMA stage.
Professional Career
Oleksiejczuk made his UFC debut on December 30, 2017, at UFC 219 against Khalil Rountree Jr.. Although he initially won by unanimous decision, the result was overturned to a no contest due to a positive test for clomiphene, leading to a one-year suspension.
His return to the Octagon came on February 23, 2019, at UFC Fight Night: Błachowicz vs. Santos. There, he scored a first-round TKO of Gian Villante, earning his first Performance of the Night bonus and announcing his arrival to MMA fans worldwide.
In April 2019, he knocked out Gadzhimurad Antigulov in the opening round, further cementing his reputation as a heavy-hitting finisher. Yet his run was not without setbacks. A late Von Flue choke submission loss to Ovince Saint Preux in September and a first-round kimura defeat to Jimmy Crute in February 2020 exposed gaps in his ground defense.
Between these highs and lows, he split decisions and showed resilience, rebounding with a split-decision win over Modestas Bukauskas at UFC 260 and a first-round TKO of Shamil Gamzatov at UFC 267.
A unanimous decision loss to Dustin Jacoby at UFC 272 led Oleksiejczuk to drop from light heavyweight to middleweight in mid-2022. He debuted in the new division with a first-round TKO of Sam Alvey at UFC on ESPN 40 and followed that with a knockout of Cody Brundage, earning another Performance of the Night bonus. These victories demonstrated his power translated well at 185 pounds.
Since then, he has alternated wins and losses: a submission defeat to Caio Borralho in April 2023, a first-round TKO of Chidi Njokuani in August 2023 (earning Fight of the Night), and submission losses to Michel Pereira and Kevin Holland in 2024.
Most recently, at UFC 314 in April 2025, he scored a first-round TKO of Sedriques Dumas, showing he still possesses the knockout ability that made him a prospect. As of 2025, Oleksiejczuk holds a 20–9–1 record and remains a gatekeeper in a stacked middleweight division, ever dangerous when the finish appears.
Wife
Oleksiejczuk is married to Ewelina Oleksiejczuk, his partner in life and training support. The couple has two young daughters, who feature regularly in his social media posts and highlight the family atmosphere that fuels his career.
Off the mats, he enjoys quiet moments with his daughters and wife, fishing trips, and reading historical books, which he credits with helping him decompress from the demands of fight life. Ewelina often travels to his camps and fight nights, offering encouragement that contributes to his in-cage focus.
Michal Oleksiejczuk’s Net Worth Details
Michał Oleksiejczuk’s net worth is estimated to be $2.4 million as of 2025. This figure reflects his earnings from fights, potential endorsements, and sponsorships within the sport.
Fight Purses
| Opponent | Purse | Win Bonus | Event | Year |
| Khalil Rountree | $10,000 | $10,000 | UFC 219 | 2017 |
| Gian Villante | $18,000 | $18,000 | UFC Fight Night 145 | 2019 |
| Gadzhimurad Antigulov | $24,000 | $24,000 | UFC Fight Night 149 | 2019 |
| Ovince Saint Preux | $30,000 | – | UFC Fight Night 160 | 2019 |
| Jimmy Crute | $33,000 | – | UFC Fight Night 168 | 2020 |
| Modestas Bukauskas | $38,000 | $38,000 | UFC 260 | 2021 |
| Shamil Gamzatov | $44,000 | $44,000 | UFC 267 | 2021 |
| Dustin Jacoby | $48,000 | – | UFC 272 | 2022 |
| Sam Alvey | $75,000 | $75,000 | UFC on ESPN 40 | 2022 |
| Kevin Holland (upcoming) | $150,000 | – | UFC 302 | 2024 |
Career Stats
| Statistic | Total |
|---|---|
| Fights | 30 |
| Wins | 20 |
| – By Knockout | 15 |
| – By Submission | 1 |
| – By Decision | 4 |
| Losses | 9 |
| – By Knockout | 1 |
| – By Submission | 6 |
| – By Decision | 2 |
| No Contests | 1 |
FAQs
1. What is Michal Oleksiejczuk’s net worth?
His net worth is estimated at $2.4 million, accumulated through UFC fight purses, win bonuses, performance bonuses, PPV appearances, and sponsorship deals. These earnings reflect his multi-fight UFC contract and additional income from endorsements.
2. When did Oleksiejczuk begin his professional MMA career?
He made his professional debut on January 11, 2014, at Vale Tudo Cup 1, defeating Rajmund Flejmer by unanimous decision. He fought across Polish regional promotions, earning a 12–2 record before signing with the UFC in late 2017.
3. What martial arts rank does Michal Oleksiejczuk hold?
Oleksiejczuk holds a purple belt in Brazilian Jiu-Jitsu under coach Filip Ostrowski. This rank complements his striking foundation, although his bouts often showcase knockout power more than ground submissions.
4. Who is his wife and how many children do they have?
He is married to Ewelina Oleksiejczuk, and together they have two daughters. His family life is a key pillar of support, with Ewelina frequently traveling to his fight camps and events to provide encouragement.
5. What performance bonuses has he earned in the UFC?
Oleksiejczuk has earned multiple bonuses: Performance of the Night awards for his TKO victories over Gian Villante and Cody Brundage, and Fight of the Night for his bout against Sharabutdin Magomedov. These bonuses add $50,000 per award to his earnings.
