Former world champion David Haye underwent surgery on Thursday to reconstruct his right shoulder and has been told to "seriously consider ending his boxing career", Hayemaker Boxing said.
The Londoner has pulled out of his rescheduled February 8 fight with domestic rival Tyson Fury and looks set to end his career permanently after an unsuccessful operation last week.
"It's a crushing blow for me," he said. "I had big plans for next year and the ultimate goal was to win back the world heavyweight title, something my amazing fans deserve.
"What I didn't anticipate was that this year would be the unluckiest of my career and that a number of injuries would disrupt my plans so much.
"Perhaps it just wasn't meant to be. The boxing gods keep hinting that maybe enough is enough and that it's time to finally hang up my gloves."
David Haye has announced he will fight Tyson Fury on September 28.
Haye tweeted: "I've just signed to fight Fury on Sep 28, lets hope he finally agrees (and signs today) and he doesn't keep delaying."
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Boxer Haroon Khan tweeted that his brother "will be back" after suffering a second defeat against Danny Garcia in Las Vegas.
It was a mixed night for British boxing as Amir Khan suffered a devastating second successive defeat in Las Vegas against Danny Garcia.Read the full story ›
David Haye has defeated Dereck Chisora in their heavyweight fight tonight at Upton Park.
The 31-year-old Briton won by TKO in the fifth round.
The David Haye v Dereck Chisora fight is now underway.
Earlier, former Olympic champion Audley Harrison and former undisputed super-middleweight world champion Joe Clazaghe tweeted the following predictions:
Prediction time! haye-chisora...Haye has a point to prove, feels chisora is not in his class, so will start fast. Haye early, or if chisora
Going for HAYE KO and KHAN POINTS. tonight. AGREED??
I don't see Chisora being KO'd, just outboxed. Chisora is more likely to get a KO win than Haye…but thats y they settle it in the ring!