Sources - Oleksandr Usyk-Tyson Fury fight in jeopardy as talks stall

The proposed undisputed heavyweight championship fight next month between Oleksandr Usyk and Tyson Fury at Wembley Stadium in London is in jeopardy as the fighters continue to haggle over deal points beyond the 70-30 split in favor of Fury for the net revenue, sources told ESPN.

Usyk has shut down his training camp, according to sources, and will regroup with his team to plot his next fight. The 36-year-old Ukrainian holds the WBA, WBO and IBF heavyweight titles while Fury is the WBC champion.

Fury's promoter, Frank Warren, and Usyk's promoter, Alexander Krassyuk, discussed the stalled negotiations during a joint radio interview Wednesday on Talksport. Warren said he received an email Tuesday from Usyk's manager, Egis Klimas, that stated «Team Usyk is out of further negotiations.»

«The fight is called off,» Krassyuk said. «The reason for that is it went too far. There was a feeling that after Usyk accepted 70-30, Tyson Fury started thinking that he could put a saddle around his neck and start riding Usyk as much as he can. It's not right. I mean, Usyk accepted the 70-30 split as a courtesy.

»… If it's so complicated that Tyson tries to avoid it by putting so many obstacles in front while making the deal then there's no need to put more effort in and we just go our way.… There was a list of things [Fury] wanted to get in his favor that was absolutely unacceptable, which were completely disrespectful to the unified [heavyweight] champion and former undisputed [cruiserweight] champion."

Warren, however, said the sides ironed out all the issues Sunday except for the split of net revenue in the rematch. According to sources, the sides agreed to a bilateral rematch clause that the loser could trigger. Usyk's side pushed for