Tyson Fury has been warned that Oleksandr Usyk would cause him "trouble" in any potential undisputed fight.
The 'Gypsy King' proved his credentials at the heavyweight pinnacle again with a resounding late stoppage victory over Deontay Wilder.
And his latest victory could set up an undisputed clash with Usyk later next year if he progresses through a rematch with Anthony Joshua.
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But former junior welterweight champion Chris Algieri believes that Fury would struggle most against the "tricky" Ukrainian.
“Usyk, hands down,” Algieri told IFL TV when asked who would be the toughest challenge for Fury. “I think stylistically, Joshua falls into the hands of Tyson.
“Too athletic, too much movement, and too much conditioning. We saw Joshua get tired in the Usyk fight from that movement and that rhythm, making him miss. He looked great against Joshua.
"He’s physically filled in, he looked strong, and he wobbled Joshua a few times and hit him with some big shots. So I think he’s matured into the weight class already. Usyk, I think is trouble for everybody. He’s very elusive and very good at changing his rhythm. Things that Tyson is good at. It’ll be an interesting fight.
Usyk was dominant against Joshua, narrowly falling short of a late stoppage of his own last month.
But he has now got an immediate rematch to contend with, as negotiations get underway for a date in March or April next year.
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Meanwhile Fury has since returned home from Las Vegas, and moved into his new home with wife Paris and his children.
But his re-settling back into family life, has led to a speculation around his fighting future.
His wife Paris had previously expressed her desire for Fury to retire after competing in his latest fight.
And the 'Gypsy King' has admitted he has achieved all of his pre-planned "goals" in the sport, and could even hang up his gloves.
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“I don’t know what’s going to happen," Fury told The Telegraph. “I’ve got one fight left on my contract with Top Rank and ESPN and we’ll see what that is.
“But I’m not thinking about boxing right now. I don’t know how many fights I’ve got left. I don’t know if I need to fight anymore. I don’t know what the future holds.
“I am motivated to get up in the morning, do a little bit of training, and enjoy my day. I don’t have any goals in boxing, I have done everything and won everything, the only one to do it in my era.
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“I will always have been the WBC, WBA, WBO, IBF, Ring magazine champion, that will not evaporate in history, but once it is done, it is done and you cannot get it back.
“Once you are done, it doesn’t matter how many belts you have, who you beat, what your record is. You are just another bare bum in the shower and I have always had that opinion."
Fury could face WBC mandatory challenger Dillian Whyte, who has been enforced as next in-line should the champion return next year.
