Dillian Whyte has had a successful operation on the shoulder he injured during his defeat to Anthony Joshua.
The 27-year-old said his shoulder "went" when he hit Joshua with a left hook in the second round of their British and Commonwealth heavyweight title clash at The O2 on Saturday.
Whyte was knocked out in the seventh round of a thrilling fight but claims he would have beaten his bitter rival if he did not suffer the injury.
In a message to his Instagram followers, the Brixton boxer wrote: "Looks like surgery has been successful.
"Big thank you to Dr Jon Houghton and surgeon Livio Di Mascio.
"Thanks to all for your support & wishes. I will be back stronger next year."
Joshua expressed his willingness for a rematch in the aftermath of the fight and Whyte is confident of a different result should they meet again.
"I had him out on his feet, he was stumbling around," he said. "I hit him and he stiffened up, but at the same time I hit him my shoulder went so I couldn't really finish him off.
"I believe I can beat him, and not only beat him, I believe I can knock him out."