Francisco Santos Miranda, known professionally as Frank Mir, is an American mixed martial artist who has most recently competed for Bellator MMA in the Heavyweight division.
Mir has a distinguished career in the sport, with notable achievements, including winning the UFC Heavyweight Championship and the Interim UFC Heavyweight Championship.
Here you can follow Frank Mir’s net worth, salary, career earnings, contract, stats, wife, career overview, and more.
Frank Mir’s Net Worth Details
Frank Mir’s net worth is estimated to be $10 million as of 2025. His earnings come from his prize money as a professional MMA fighter, endorsements, and other sources.
Prize Money
Frank Mir’s total career earnings from his fights in the UFC and Bellator are reported to be $3,809,000.
This figure includes his fight purses but does not account for pay-per-view, locker room bonuses, or any earnings before UFC 46 in 2004, when athletic commissions began releasing fighter purse information.
Career Earnings
| Event | Date | Result | Earnings |
| UFC 46 | Jan 31, 2004 | Win | $90,000 |
| UFC 107 | Dec 12, 2009 | Win | $90,000 |
| UFC 111 | Mar 27, 2010 | Loss | $125,000 |
| UFC 119 | Sept 25, 2010 | Win | $250,000 |
| UFC 130 | May 28, 2011 | Win | $250,000 |
| UFC 140 | Dec 10, 2011 | Win | $395,000 |
| UFC 146 | May 26, 2012 | Loss | $200,000 |
| UFC 164 | Aug 31, 2013 | Loss | $200,000 |
| UFC 169 | Feb 1, 2014 | Loss | $200,000 |
| UFC Fight Night: Bigfoot vs Mir | Feb 22, 2015 | Win | $250,000 |
| UFC Fight Night: Mir vs Duffee | July 15, 2015 | Win | $270,000 |
| UFC 191 | Sept 5, 2015 | Loss | $220,000 |
| UFC Fight Night: Hunt vs Mir | Mar 19, 2016 | Loss | $220,000 |
Endorsement
Mir’s reputation and success have attracted several brand endorsement deals.
He has partnered with renowned companies in the MMA industry, heightening his visibility and increasing his net worth through lucrative sponsorships.
He has partnered with notable brands Reebok, Everlast, and Xyience.
About Frank Mir
| Full name | Francisco Santos Miranda |
| Nickname | Mirburger |
| Birth date | May 24, 1979 |
| Height | 6’3″ |
| Weight | 262 lbs |
| Birthplace | Las Vegas, Nevada |
| Nationality | American |
| Current net worth | $10 million |
| Relationship status | Married |
| Wife | Jennifer Mir |
| Instagram profile | @thefrankmir |
Frank Mir was born in Las Vegas, Nevada, on May 24, 1979. He is of Cuban heritage through his father. Mir’s fighting skills consist of Muay Thai and Brazilian Jiu-Jitsu.
He was raised in a family deeply involved in martial arts. His parents owned a school where they taught American Kenpo, and Mir began training and competing in this martial art from a young age, earning his black belt as a teenager.
Early Career
In high school, Mir started wrestling and honed his grappling skills. Although he wasn’t very good initially, he worked hard to improve his game.
By his senior year, he had significantly improved and won the state championship.
This early exposure to martial arts and wrestling laid a strong foundation for his future career in mixed martial arts (MMA).
After graduating from Bonanza High School in Las Vegas, Nevada, in 1998, Mir began his professional MMA career in 2001.
Professional Career
Frank Mir began his professional career in 2001 and quickly gained recognition for his exceptional skills.
He made his debut in the Ultimate Fighting Championship (UFC) the same year.
Significant victories and notable performances marked Mir’s career in the UFC. He won the UFC Heavyweight Championship in a major upset over Tim Sylvia at UFC 48 in 2004.
He also won the Interim UFC Heavyweight Championship and was awarded Submission of the Night twice.
Some of his other notable fights in the UFC include victories over Brock Lesnar at UFC 81 in 2008, and Antonio Rodrigo Nogueira at UFC 92 in 2008.
However, he also lost to fighters like Brock Lesnar at UFC 100 in 2009, Shane Carwin at UFC 111 in 2010, and Junior Dos Santos at UFC 146 in 2012.
In 2017, Mir ended his 16-year stint with the UFC and signed with Bellator MMA. He was announced as one of the eight participants in the Bellator Heavyweight World Grand Prix Tournament.
In a professional MMA career spanning 18 years and 3 months, Frank Mir fought 32 times against 28 opponents, winning one title.
Wife
Frank Mir’s wife is Jennifer Mir. The couple has been married since 2003 and has been together for over two decades.
Jennifer and Frank Mir have 3 children: Isabella Mir, Cage Mir, and Ronin Mir. Jennifer also has a son from a previous relationship, Marcus Mir, whom Frank adopted.
Fight Record
| Total Fights | Wins | Losses | Total Title Wins | Title Defenses | Finishes | KO Wins |
| 32 | 19 | 13 | 1 | 0 | 14 | 5 |
FAQs
Who is Frank Mir?
Frank Mir is a former American mixed martial artist born on May 24, 1979, in Las Vegas, Nevada. He’s best known for his career in the UFC, where he became a two-time Heavyweight Champion. Mir is considered one of the best submission specialists in the history of heavyweight MMA.
When did Frank Mir start his MMA career?
Mir began his professional MMA career in 2001. Later that year, he made his UFC debut at UFC 34, where he won his first fight against Roberto Traven by armbar submission.
What are some of Frank Mir’s biggest achievements in MMA?
Some of Mir’s biggest achievements include:
- Becoming UFC Heavyweight Champion in 2004
- Winning the Interim UFC Heavyweight Championship in 2008
- Holding the record for most wins and submissions in the UFC heavyweight division
- Being the first fighter to knock out and submit Antonio Rodrigo Nogueira
What’s Frank Mir’s fighting style?
Mir is primarily known for his exceptional Brazilian Jiu-Jitsu skills and submission game. He’s a BJJ black belt and has won many fights through various submission techniques, especially armbars. However, he also developed his striking skills later in his career.
Did Frank Mir face any major setbacks in his career?
Yes, Mir suffered a serious motorcycle accident in September 2004, just months after winning the UFC Heavyweight title. The accident nearly ended his career, causing severe leg injuries. He was stripped of his title and took about 19 months to return to fighting.
Who were some of Frank Mir’s notable opponents?
Mir faced many top heavyweights in his career, including Brock Lesnar, Tim Sylvia, Antonio Rodrigo Nogueira, Junior dos Santos, and Fedor Emelianenko. His rivalry with Brock Lesnar was particularly notable and helped boost his popularity.
What did Frank Mir do after his UFC career?
After leaving the UFC, Mir competed in Bellator MMA. He also tried his hand at professional boxing, debuting in 2021. Additionally, he’s worked as a commentator and analyst for MMA events.
Does Frank Mir have any interesting hobbies or skills outside of fighting?
Mir is known to be musically inclined. He enjoys music, sings, and plays the guitar. Some of his song covers have even gone viral on social media.
What’s Frank Mir’s family life like?
Mir is married and has four children. He’s known as a family man and has balanced his fighting career with his role as a father. His son, Kage, has shown interest in following in his father’s footsteps in combat sports.
Has Frank Mir been involved in any charitable work?
Yes, Mir has been involved in various charitable activities. He’s served as a youth ambassador for “The Conservation Volunteers of Australia” and “Can Do for Kids,” a charity helping children with visual and hearing impairments. He’s also known for speaking to at-risk youth and supporting local charities in Las Vegas.
