Floyd Mayweather faces lawsuit over Tyson and Pacquiao agreements

Yahoo Sports2 min read • Latest: Jun 19, 2026, 1:50 AM

Last updated Jun 19, 2026

Floyd Mayweather faces lawsuit over Tyson and Pacquiao agreements
Summary

Floyd Mayweather has been sued by CSI Entertainment in federal court in New York. The complaint alleges that Mayweather received $4.65 million in advances to fight Mike Tyson and Manny Pacquiao but failed to honor the agreements. CSI Entertainment seeks an injunction to stop Mayweather from proceeding with a scheduled exhibition match against Mike Zambidis and demands restitution of $6.65 million for the breach. The lawsuit follows legal troubles for Mayweather, including a $7.3 million tax lien from the IRS and felony charges for a bad check.

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By the Numbers
  • Mayweather sued for breach of exclusive fight agreements.
  • CSI Entertainment claims $4.65 million in advances were pocketed.
  • Injunction sought to halt Mayweather's fight against Zambidis.
  • Lawsuit follows IRS lien for unpaid taxes and felony charges.
  • CSI requests $6.65 million in restitution for damages.
Latest Updates
  • 3:52 AMYahoo SportsFloyd Mayweather Jr facing lawsuit over Mike Tyson and Manny Pacquiao fights
  • 3:52 AMBad Left HookFloyd Mayweather Jr facing lawsuit over Mike Tyson and Manny Pacquiao fights
  • 1:50 AMYahoo SportsFloyd Mayweather hit with lawsuit over Mike Tyson, Manny Pacquiao fight agreements
What they're saying
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TMZ Sports brings word that CSI Entertainment is suing Floyd Mayweather Jr, seeking to claim damages for “Money’s” ill-fated bouts with Mike Tyson and Manny Pacquiao and to stop him from facing Mike Zambidis next week. The news comes just days after ESPN revealed that Mayweather (50-0, 27 KO) got slapped with felony charges over a bad check. Mayweather announced a May exhibition against Tyson last September, then followed up by revealing a September rematch with “Pac-Man” in February. Less than two weeks later, he added a June meeting with K-1 kickboxing vet Zambidis to the lineup. Things swiftly went off the rails. Pacquiao and Mayweather gave conflicting reports as to whether their meeting would be an exhibition or professional match, while few details emerged about the Tyson fight before “Iron” wound up breaking his hand 10 days before fight night. Per the report, things were similarly chaotic behind the scenes. CSI alleges that they paid $4.5 million for the rights to both the Tyson and Pacquiao bouts, only for Mayweather to go behind their backs, set up the Zambidis bout with a separate promoter, and “secretly [sign] a separate deal with another company to stream the fight with Pacquiao on Netflix from the Sphere in Las Vegas.” The laws of comedy demand that Mayweather face a third, equally humiliating legal dispute in the immediate future, so we’ll keep you in the loop.

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Mayweather was sued Thursday in a federal court in New York by promoter CSI Entertainment, which claims the Hall of Fame boxer pocketed $4.65 million in advances to fight Tyson and Pacquiao, but then walked away from the deal, according to the 34-page complaint obtained by Uncrowned.

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Floyd Mayweather Jr is facing allegations of serious skullduggery

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