Veteran promoter Frank Warren has confirmed he is considering legal action against Saudi Arabian-owned Sela and American company TKO.
Warren has enjoyed a fruitful partnership with Turki Alalshikh and Sela in recent years, but the arrival of the Dana White-fronted Zuffa Boxing, jointly owned by Sela and TKO, has caused tension behind the scenes.
Sela is a Saudi state-owned entertainment company and TKO Group Holdings is a media giant that owns the UFC and WWE.
Warren alleges Sela and TKO went behind his back to form Zuffa Boxing, which he claims breaches the contracts he had already signed with the two entities.
Warren’s Queensberry Promotions, according to the Telegraph,, external allege as much as $1bn (£739m) could have been lost in potential earnings.
In a statement, Sela said they were “disappointed” by the claims and “reject them in their entirety”.
This week it was revealed that Warren and Queensberry had sent “letters before action” to Sela and TKO raising the issues.
“It’s just a difference of opinion over the contracts that we signed, so that will just take its course,” Warren told BBC Sport.
“I can’t make any comment on it. It is what it is and it will take its course.”
The potential legal action comes after it emerged that Warren has had limited involvement in Tyson Fury’s comeback fight in April on Netflix.
The fight was primarily organised by Sela and Netflix, and TKO chief Mark Shapiro claims Zuffa Boxing will be tasked with the promotional duties around the fight instead of Queensberry .
Fury is signed to Queensberry and has been since he resumed his boxing career in 2018.