Tyson Fury admitted Anthony Joshua once gave him "a beating" in the ring during a sparring session earlier in their careers.
Both men are on a collision course for an eagerly-anticipated world heavyweight unification bout in 2021. WBC champion Fury is regarded as the slight favourite should they meet, having never lost in his 31 professional fights.
The Gypsy King even predicted he would knock his rival out "within three rounds" after watching Joshua's win over Kubrat Pulev on Saturday.
But he could not hide his awe at Joshua's talents when boxing the-then up and coming amateur back in 2010. Speaking to BBC Radio London at the time, Fury said: "I came up yesterday from Manchester and I went down to Finchley Boxing Club.
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