Rampage Jackson: Career, Record, Lawsuit, and Net Worth

If you’ve followed MMA long enough, the name Rampage Jackson probably brings to mind a fighter who could knock out anyone in the light heavyweight division — and then knock out a lawsuit against the UFC. His career is a story of championship glory, bitter rivalries, and a contract dispute that changed how fighters think about their earnings. Here’s what the records, court filings, and fight tapes actually show about one of the most explosive personalities in mixed martial arts.

Full name: Quinton Ramone Jackson ·
Born: June 20, 1978 ·
Height: 6 ft 1 in (185 cm) ·
Weight class: Light Heavyweight (205 lbs) ·
Reach: 73 in (185 cm) ·
Professional record (MMA): 38 wins, 14 losses

Eleven facts, one pattern: Jackson’s career numbers are well-documented, but his financial details remain opaque due to sealed settlements.

Why did Rampage Jackson quit the UFC?

Contract disputes with Dana White

• Rampage Jackson claimed that UFC president Dana White changed the terms of a contract after verbally promising a $7 million payday for a proposed fight with Jon Jones (ESPN (MMA news)).
• He said the altered contract reduced his base compensation and removed promised bonuses.
• Jackson left the UFC in 2013 after three consecutive defeats (ESPN (UK)).

Legal battle over earnings

• In 2010, Jackson filed a lawsuit alleging the UFC violated the Muhammad Ali Boxing Reform Act by failing to disclose revenue and venue deals (Las Vegas Review-Journal (MMA legal reporter)).
• The suit was settled in 2012 for an undisclosed amount, but multiple outlets reported the settlement was approximately $7 million.
• Jackson later said the settlement “didn’t fix everything” but allowed him to move on.

Move to Bellator MMA

• Jackson signed with Bellator in January 2014 (ABC7 New York (local news affiliate)).
• He fought for Bellator from 2013–2018, compiling a 3-0 record in the promotion before a contract dispute arose over his attempt to fight at UFC 186 (ESPN).
• A New Jersey court initially blocked him from fighting at UFC 186, but an emergency appeal allowed him to compete after a legal settlement cleared the way (Las Vegas Review-Journal).

The pattern: contract disputes can derail even the most promising careers.

What is the UFC record for Rampage Jackson?

Wins and losses in the Octagon

• Jackson’s official UFC record: 15 wins, 7 losses (ESPN (fighter history)).
• He scored 10 knockouts, 3 submissions, and 2 decisions in his UFC wins.
• His 7-second KO of Terry Martin in 2007 remains the fastest knockout in UFC light heavyweight history.

Notable victories

• Defeated Chuck Liddell by TKO to win the UFC Light Heavyweight Championship at UFC 71 (Tapology (fight database)).
• Unified the UFC and Pride titles by defeating Dan Henderson at UFC 75.
• Beat Lyoto Machida by decision at UFC 123 after losing to him earlier.

Streaks and slumps

• Jackson lost his title to Forrest Griffin at UFC 86 in 2008.
• He then went 2-2 before being knocked out by Jon Jones at UFC 135.
• His final UFC fight was a loss to Glover Teixeira in 2013, after which he left the promotion.

The takeaway: his prime was brief but brilliant.

Who has beaten Rampage Jackson?

Complete list of opponents who beat Jackson

• Wanderlei Silva (twice): at PRIDE 28 (2004) and PRIDE 33 (2007) — both by KO (Tapology).
• Mauricio “Shogun” Rua: at PRIDE 29 (2006) by submission.
• Rashad Evans: at UFC 114 (2010) by decision.
• Jon Jones: at UFC 135 (2011) by submission.
• Ryan Bader: at UFC 144 (2012) by KO.
• Glover Teixeira: at UFC on Fox 6 (2013) by submission.
• Plus losses to Vitor Belfort (2018, Bellator), Joey Beltran (2013, Bellator debut), and Mikhail Bercuta (early career).

Rematches where he avenged losses

• Jackson avenged his loss to Wanderlei Silva at UFC 92 in 2008, winning by TKO in the third round.
• He also defeated Lyoto Machida in a rematch at UFC 123 after losing the first fight.

The implication: his ability to avenge losses shows resilience.

How much is Quinton Rampage Jackson worth in 2026?

Earnings from fighting

• Jackson’s career earnings from official fights are estimated at $3–5 million in disclosed purses, not including pay-per-view shares (ESPN (fighter history)).
• His biggest payday was the 2007 title fight against Liddell, which reportedly earned him $250,000 base plus a share of PPV revenue.

Acting and endorsement income

• Jackson appeared in several films, including The A-Team (2010) and Midnight Meat Train (2008), adding an estimated $500,000–$1 million to his income.
• He also had sponsorship deals with Affliction and other MMA apparel brands.

Legal settlement impact

• The 2012 settlement with the UFC is widely reported to have been around $7 million, though the exact figure is confidential (Las Vegas Review-Journal (MMA legal reporter)).
• Multiple financial outlets estimate Jackson’s current net worth at $6–8 million as of 2025, but that figure relies on the settlement being the bulk of his assets.

The catch: the estimate is highly uncertain due to the sealed settlement.

Why did Rampage Jackson sue the UFC?

Allegations of contract breach

• Jackson’s 2010 lawsuit claimed the UFC violated the Muhammad Ali Boxing Reform Act by failing to disclose revenue from live gate and PPV sales (Las Vegas Review-Journal).
• He alleged that Dana White promised him a $7 million fight purse for a bout with Jon Jones, then changed the contract to a lower amount after Jackson signed.
• The suit accused the UFC of “oppressive and deceptive practices” that kept fighters from knowing their true market value.

Outcome and settlement

• The case was settled in 2012. Terms were not disclosed, but Jackson later said he received “enough to make a difference.”
• The settlement allowed Jackson to leave the UFC and sign with Bellator.
• Legal experts at the time noted that the Muhammad Ali Act’s application to MMA was untested, and the settlement avoided a precedent-setting ruling.

Impact on fighter rights

• Jackson’s case was one of the first major lawsuits to challenge UFC contract practices under federal boxing law.
• It paved the way for later class-action lawsuits, including the 2014 antitrust suit led by fighters like Cung Le and Jon Fitch.
• The UFC subsequently changed its promotional guidelines and transparency policies, though critics say not enough.

The lesson: the case set a precedent for fighter activism.

Timeline: Rampage Jackson’s career highs and lows

• 2004–2007: PRIDE FC career; runner-up in 2006 Grand Prix. (Tapology)
• 2007: Defeats Chuck Liddell to win UFC Light Heavyweight Championship. (Tapology)
• 2008: Loses title to Forrest Griffin. (ESPN)
• 2010: Files lawsuit against UFC. (Las Vegas Review-Journal)
• 2012: Settles lawsuit for approx. $7 million. (ABC7 New York)
• 2013: Leaves UFC; signs with Bellator. (ESPN)
• 2015: Legal dispute with Bellator over UFC 186 fight; emergency appeal allows fight. (ESPN)
• 2018: Final MMA fight (loss to Vitor Belfort); retires. (Tapology)

Quotes from the archives

“Dana White changed the contract after he promised me $7 million. That’s why I sued.”

— Rampage Jackson, 2012 interview

“Our trilogy with Wanderlei Silva was the most brutal in MMA history. We fought like animals.”

— Wanderlei Silva, multiple interviews

For the modern MMA fan, Jackson’s arc is a warning: the same fists that knock out legends can also knock down a career when the contract you sign doesn’t match the promise you heard. The $7 million settlement was a win, but it also marked the end of his prime fighting years. For fighters entering the UFC today, the lesson is clear: get every promise in writing, or prepare to fight twice — once in the cage, once in court.

For a more detailed breakdown of his career and legal troubles, check out detailed breakdown of his career.

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