Demetrious Johnson: Record, Bio, UFC Career & Net Worth

There is a special kind of dominance that makes a fighter both legendary and, paradoxically, a little underappreciated. Demetrious Johnson, better known as “Mighty Mouse”, was the undisputed king of the UFC’s flyweight division for six years, defending his title 11 times — more than any fighter before him, according to UFC.com (the official UFC athlete database). Yet his story is less about the wins and more about the tension between a record-setting champion and the business side of MMA.

Record: 27 wins, 3 losses, 1 no contest ·
Height: 5 ft 3 in (160 cm) ·
Weight: 125 lb (57 kg) ·
Nickname: Mighty Mouse

10 key biographical facts in one place:

Has DJ ever lost a fight?

Yes, Demetrious Johnson has three losses on his professional record. According to UFC.com (official fighter stats), his official UFC record is 27-3-1 (wins-losses-no contest).

Who has Demetrious Johnson lost to?

• Dominick Cruz — October 2011, bantamweight bout, decision loss.
• Henry Cejudo — August 2018, flyweight title fight, split decision.
• Adriano Moraes — April 2021, ONE Championship, KO loss.

He also has one no contest (vs Ray Borg, 2017, due to a botched weight cut).

What is his complete fight record?

• 27 wins (11 by submission, per UFC.com)
• 3 losses
• 1 no contest
• 11 UFC title defenses (UFC record)

The implication: even a dominant champion’s record can be subject to interpretation depending on the source.

Why did Mighty Mouse quit UFC?

Johnson did not quit — he was traded. In October 2019, the UFC sent him to ONE Championship in exchange for former Bellator and ONE welterweight champion Ben Askren. Multiple reports point to a combination of low pay and strained relations with UFC President Dana White.

What led to the trade to ONE Championship?

• Johnson had publicly complained about earning disparities compared to bigger-name fighters.
• According to Times of India (a major Indian news outlet), his net worth was estimated at $6 million in 2025, but during his UFC tenure he reportedly earned less than top stars.
• Dana White publicly stated that Johnson “doesn’t have a personality” for the UFC — a claim Johnson has disputed in interviews.

Was there a rift with Dana White?

White’s criticism of Johnson’s marketability fueled tension. Johnson later said he felt undervalued despite his historic title reign. The implication: the trade was as much about organizational fit as it was about money.

What UFC fighter turned to OnlyFans?

Several former UFC fighters have joined OnlyFans for additional income, including Paige VanZant and Mackenzie Dern. However, according to available research, Demetrious Johnson has not joined the platform.

Is Demetrious Johnson on OnlyFans?

No public profile or statement confirms a Johnson OnlyFans account. This contrasts with fighters like VanZant, who openly promoted her page after leaving the UFC.

Which notable UFC fighters have OnlyFans accounts?

• Paige VanZant
• Mackenzie Dern
• Rachael Ostovich

The pattern: fighters often turn to fan subscription services when UFC payouts are insufficient. Johnson, by contrast, has built a brand through his “Mighty” merchandise and streaming channel.

What boxer has 0 losses?

This question often refers to undefeated boxers, but in the context of MMA fans comparing records, it’s worth noting that Demetrious Johnson’s three losses are fewer than many champions. Floyd Mayweather Jr. retired 50-0 in boxing, and Rocky Marciano ended his career 49-0. In MMA, Khabib Nurmagomedov retired undefeated at 29-0.

Who are undefeated heavyweight champions?

• Rocky Marciano (49-0)
• Joe Louis (57-0 at time of retirement? Actually Louis had losses; but Marciano is the classic example)

Rocky Marciano record

Marciano retired with 49 wins, 43 by knockout — the only heavyweight champion to retire undefeated. Johnson’s 27-3-1 record in MMA places him among the best flyweights, and his 11 title defenses are a UFC record for any division.

Why did Dana not like Mighty Mouse?

The tension between Dana White and Demetrious Johnson became one of the defining storylines of Johnson’s UFC career.

Was there a personal conflict?

• White openly said Johnson “doesn’t have a personality” — a remark Johnson has said hurt his career.
• Johnson claimed he was never given the promotional push that other champions received.
• According to a Reddit discussion (fan community forum, low authority), Johnson revealed he was paid only $10,000 for appearing on the cover of a UFC video game.

How did their relationship affect his career?

The direct impact was Johnson’s trade to ONE Championship. If the relationship had been better, Johnson might have remained in the UFC and potentially broken even more records.

Timeline

Clarity: what we know vs what’s still fuzzy

Expert perspectives

Demetrious Johnson is widely regarded as one of the greatest flyweight fighters of all time.

Wikipedia (community-edited encyclopedia, moderate authority)

Johnson is one of the greatest pound-for-pound mixed martial artists of all time.

ONE Championship official athlete profile

Both sources, despite differing tiers, agree on his elite status.

The arc of Demetrious Johnson’s career reveals a fighter who did everything right in the cage — setting a record for title defenses — yet still found himself traded away because the business side of MMA prizes charisma over consistency. For fighters looking at the sport as a career, the lesson is stark: statistical dominance without star power can leave you undervalued. For promoters, the takeaway is that ignoring a champion’s legacy in pursuit of marketability risks losing what made the sport compelling in the first place.