Jim Miller is a battle-tested warrior in the Ultimate Fighting Championship (UFC) Lightweight division and a familiar face to dedicated MMA fans around the globe. Known for his relentless fighting style, impressive longevity, and honest, hard-working personality, Miller’s name is synonymous with toughness inside the Octagon. This in-depth look at Jim Miller covers his personal life, professional rise, storied career, earnings, endorsements, and answers the most-asked questions about the veteran fighter.
Jim Miller’s Biography
Here’s a clear, concise table breaking down the main details about Jim Miller’s personal life, as available through publicly verified sources as of November 2025:
| Detail | Answer |
| Full Name | James Andrew Miller |
| Nickname | N/A |
| Date of Birth | August 30, 1983 |
| Age | 42 years |
| Birthplace | Sparta Township, New Jersey, United States |
| College | Virginia Tech (though did not complete a degree) |
| Religion | N/A |
| Nationality | American |
| Height | 5 ft 8 in (173 cm) |
| Turned Pro | 2005 |
| Net Worth | Approx. $3.2 Million |
| Average Salary | Varies per fight; recent purses range from $100,000–$250,000 |
| Spouse | Angel Miller |
| Relationship Status | Married |
| Children | Yes (at least two children publicly acknowledged) |
| Instagram Profile | @jimmiller_155 |
Early Career
Jim Miller’s early career laid the foundation for his reputation as an aggressive grappler and submission artist. Raised in Sparta, New Jersey, alongside his brother and fellow fighter Dan Miller, he cut his teeth in regional circuits after wrestling at Virginia Tech.
Jim began his pro MMA journey in 2005, quickly racking up wins, which earned him a call to the UFC just three years later. The start of his pro path featured tournament victories and highlighted his natural tenacity, resilience, and wrestling base leading into the international spotlight.
Professional Career
After making his UFC debut in 2008, Jim Miller etched his name in the history books with his consistency, durability, and finishing abilities. Over nearly two decades, Miller became known for his slick submissions, iron chin, and willingness to fight anyone, anytime.
He competed in one of the sport’s most competitive divisions and set records for most UFC appearances and wins in lightweight history. Notably, Miller handed faces like Charles Oliveira, Joe Lauzon, and Gleison Tibau some of their toughest battles.
Despite battling Lyme disease and aging in a younger fighter’s world, Miller’s career longevity is a blueprint for perseverance in high-level MMA. His relentless drive has made him an enduring fan favorite and respected locker room presence.
Wife
Jim Miller is married to Angel Miller. The couple has been together for years and shares at least two children, as confirmed in various interviews and his social media posts. Miller is known to keep his family life relatively private, only occasionally posting about his wife and kids. He’s credited his family as a key source of support throughout the ups and downs of his fighting career.
Jim Miller’s Net Worth Details
As of 2025, Jim Miller’s net worth is estimated at approximately $3.2 million. This figure is based on publicly reported fight purses, performance bonuses, long-term participation in the UFC, and endorsement deals. Miller is one of the UFC’s highest-earning veterans due to his remarkable longevity and consistent appearances, with income further bolstered by merchandise sales and other business ventures. The estimate does not include personal investments or undisclosed income streams.
Fight Purses
| Fight/Event | Date | Reported Purse |
| vs. Donald Cerrone (UFC 276) | July 2, 2022 | $225,000 (including win bonus) |
| vs. Bobby Green (UFC 258) | February 13, 2021 | $115,000 |
| vs. Clay Guida (UFC on ESPN) | August 3, 2019 | $131,000 (includes bonus) |
| vs. Charles Oliveira (UFC on Fox 31) | December 15, 2018 | $90,000 |
| vs. Joe Lauzon (UFC on Fox 16) | July 25, 2015 | $104,000 |
| vs. Dustin Poirier (UFC 208) | February 11, 2017 | $114,000 |
| Recent Average (2024–2025, per fight) | 2024–2025 | $180,000–$250,000 |
Endorsements
- Venom Fightwear — Miller has appeared in promotional content and worn Venom-branded gear in UFC fights
- Onnit — Featured in nutrition and performance supplement promotions
- Monster Energy — Sponsor patches during UFC events
- Local New Jersey Gyms and Dojos — Supports regional sponsors on fight banners
- Custom Walkout Shirts and Apparel — Sells branded merchandise through digital storefronts
Career Records
| Opponent | Result | Event | Year | Notable Fact |
| Donald Cerrone | Win (SUB) | UFC 276 | 2022 | Second victory over Cerrone |
| Joe Lauzon | Win (UD & TKO) | Multiple (x3) | 2012–2017 | Trilogy; respected rivalry |
| Charles Oliveira | Loss (SUB) | UFC on Fox 31 | 2018 | Faced eventual champion |
| Dustin Poirier | Loss (DEC) | UFC 208 | 2017 | Highly competitive bout |
| Clay Guida | Win (SUB) | UFC on ESPN | 2019 | Submission in first round |
| Jim Miller | Win/Loss | 42-18 (UFC record as of 2025) | 2008–2025 | Most UFC lightweight appearances |
| Nate Diaz | Loss (DEC) | UFC on Fox 3 | 2012 | Main event fight; Diaz’s rise |
FAQs
1. What is Jim Miller’s current MMA record and age?
Jim Miller, born August 30, 1983, is currently 41 years old. His professional record stands at 38 wins, 19 losses, and 1 no contest. He holds the UFC record for most wins with 27 victories in the organization.
2. Why is Jim Miller called “A-10”?
Jim Miller adopted the nickname “A-10” in 2017 before his UFC 213 fight against Anthony Pettis. The nickname is inspired by the Fairchild Republic A-10 Thunderbolt II, a close air support attack plane used by the United States Air Force since 1976. Miller chose this nickname because he felt his real name was “a little bit vanilla” for marketing purposes. He explained that like the A-10 Warthog, his fighting style is not the prettiest but gets the job done.
3. What are Jim Miller’s most notable UFC records?
Jim Miller holds multiple UFC records including the most bouts in UFC history (46), the most wins in UFC history (27), and the most wins in the UFC Lightweight division (24). He is also the only fighter to have competed on UFC 100, UFC 200, and UFC 300. Additionally, he has 21 submission wins and holds the record for most first-round finishes with 12.
4. What health condition has Jim Miller battled during his career?
Jim Miller contracted Lyme disease, likely in spring 2013, after being bitten by an infected tick. The disease caused him severe pain, brain fog, and extreme exhaustion. He has revealed that Lyme disease caused significant memory loss between 2015 and early 2017, affecting his ability to train. Miller has since managed the condition through dietary changes.
5. What is Jim Miller’s fighting style known for?
Jim Miller is primarily known for his submission-heavy fighting style, particularly his proficiency with the guillotine choke, rear-naked choke, and armbar. He holds 21 submission victories throughout his career and is recognized for his grappling expertise. He earned a black belt in Brazilian jiu-jitsu from Jamie Cruz in July 2010.
6. Where did Jim Miller train and who are his coaches?
Jim Miller primarily trains at Sussex County MMAA. He also works with striking coach Amr Ibrahim at Pharaohs Muay Thai to develop his striking abilities. Miller has been with his brother Dan at AMA Fight Club in Whippany, New Jersey, since January 2007.
7. Who is Jim Miller’s brother in MMA?
Jim Miller’s older brother is Dan Miller, a former UFC fighter who competed in the Middleweight division. Dan was also signed by the UFC in July 2008, the same time as Jim. The brothers have fought on numerous UFC cards together throughout their careers and both trained at the same gyms.
8. What awards and bonuses has Jim Miller earned?
Jim Miller has earned 15 post-fight bonuses throughout his UFC career. He has received seven Fight of the Night bonuses, three Submission of the Night awards, and five Performance of the Night bonuses. These bonuses include victories against Joe Lauzon, Pat Healy, Michael Chiesa, Dustin Poirier, Scott Holtzman, Jason Gonzalez, Roosevelt Roberts, Erick Gonzalez, Jesse Butler, and Gabriel Benítez.
9. What is Jim Miller’s professional background before the UFC?
Before joining the UFC, Jim Miller competed in several regional promotions. He won championships with Reality Fighting (Lightweight and Featherweight titles), Cage Fury Fighting Championships (Lightweight Championship), and earned the USKBA Welterweight Championship. He also competed at Ring of Combat and other independent organizations, compiling a strong record before his UFC debut in 2008.
10. How long has Jim Miller been competing in the UFC?
Jim Miller has competed in the UFC for 19 years, having made his debut in October 2008 at UFC 89 against David Baron. Throughout his tenure in the organization, he has competed across multiple weight divisions, primarily in the Lightweight division but also at Welterweight and Catchweight, maintaining an active presence in professional MMA for nearly two decades.