Boxing promoter, Eddie Hearn, has claimed that Deontay Wilder sent Dillian Whyte a direct message on social media, vowing never to fight the Briton.
However, he is now keen to face Whyte.
Hearn has said a boxing match between the two men will be a “colossal fight” that could fill a stadium.
Whyte knocked out Alexander Povetkin in the fourth round of their rematch in Gibraltar on Saturday night, to spark fresh speculation about a future showdown with Wilder.
“We called for the Deontay Wilder fight for a long, long time,” Hearn told Sky Sports Box Office.
“He actually DM’d Dillian Whyte and told him, ‘I will never ever give you that fight,’ and now he got knocked out, he’s calling for the fight with Dillian Whyte.
“For me, that’s a stadium fight, that’s a colossal fight.”