Deontay Wilder may be one of the hardest hitters in world boxing - but Dillian Whyte fears the American's inability to take a punch could derail his hopes of meeting Anthony Joshua in a heavyweight super-fight.
Wilder defends his WBC world heavyweight title against Cuban Luis Ortiz on Saturday, four weeks before AJ meets Joseph Parker in a unification clash for the IBF, WBA and WBO straps.
Both Joshua and Wilder are expected to come through their respective challenges and keep alive hopes of a money-spinning mega-fight for the title of undisputed champion later this year.
Deontay Wilder was 'knocked out' in sparring and will struggle against Luis Ortiz
But Whyte, who was beaten by AJ in December 2015, fears for the Bronze Bomber this weekend after seeing him dropped in sparring.
'Ortiz stands a very good chance because Deontay Wilder can't take a punch,' he said ahead of his own heavyweight showdown against Lucas Browne on March 24.
'I've seen Wilder spar, I've seen him get knocked out in sparring before, but I don't tell sparring stories. I saw him get dropped in sparring before, but sparring's sparring. Marvin Hagler used to get dropped in sparring a lot, Mike Tyson got dropped in sparring.'
He added: 'It's a really good fight, but there's two problems for Luis Ortiz. At the top level he's been inactive for the past two or three years. Wilder's been very active, he might not have fought top guys but they've still been decent guys with decent records.
'The second problem is (Ortiz) has got to be about 1,000 years old. When you look at it, he