George Groves could miss the World Boxing Super Series final after suffering injury in beating Chris Eubank Jr.
His semi-final win, which also meant he retained his WBA super-middleweight title, looks to have come at a cost.
I wasn't going to let anything beat me. I've boxed on with cuts, broken jaws, everything.George Groves
He was taken to hospital after the bout with a suspected dislocated shoulder and, if confirmed, it is an injury that could well rule him out of the final which is scheduled to be against Britain's Callum Smith or Germany's Jurgen Brahmer in early June.
Groves said afterwards that he had been determined not to let the injury affect the outcome against Eubank.
He said afterwards: "I haven't diagnosed it yet but it feels pretty sore.
"I wasn't going to let anything beat me. I've boxed on with cuts, broken jaws, everything. Here, I wasn't going to let any injury get me out. It was about who wanted it most I think and I obviously wanted it most."
His trainer Shane McGuigan said the injury is thought to have happened in the last round and confirmed: "It's a massive concern for the tournament".
It was Groves' 28th career win out of 31 fights and came after a controlled display to keep Eubank Jr at bay to win by a unanimous points decision.
His opponent came off worst after an accidental clash of heads, sustaining a cut and he said he couldn't see out of his right eye for much of the fight.
Promoter Kalle Sauerland said that ongoing plans for the Super Series final were now on hold until the extent of the Groves injury is fully determined with Eubank Jr tipped as a possible stand-in for the final if needed.
Meanwhile, David Haye and Tony Bellew have a re-match in May at the O2 Arena in London, a little over a year after they met at the same venue. Bellew won that by a knockout and is 11/5 to win again with Haye priced at 4/11.
Bellew is 9/2 to win by a knockout.
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