David Haye believes David Price will knock out Tyson Fury if the heavyweight rivals finally meet in the ring.
Price and Fury have been unable to agree terms for a clash, despite calls for the unbeaten pair to settle debate about which of them is the top prospect in Britain.
Haye has ruled out a fight against either man, but he believes Price's win over Fury in the unpaid ranks proves he would have the edge in a future clash.
"I think David Price is the No 1, ahead of Tyson Fury," Haye told the Manchester Evening News.
"The way he handled him comfortably in the amateurs makes me think that and the way Price is dispatching opponents and not getting involved in sloppy 12 rounders.
"He's getting rid of, albeit modest, opposition in good fashion. He's knocking them out. He doesn't fiddle around - he does the job like a good heavyweight prospect should.
"Price is head and shoulders above a lot of the other guys. But only time will tell if he realises that potential and becomes world class."
Fury vacated his British and Commonwealth titles last year after plans for a fight with Price fell through and Haye has suggested he spared himself from a crushing defeat.
"The fact that Fury relinquished his titles rather than fight Price shows what the pecking order is," he said. "If Price and Fury fought each other you would find out how good they are. I think Price stops him. That's my opinion.
"I've spent more time with Price, sparred him and seen him improve. I don't know too much about Tyson.
"I've only seen him fight live once, against John McDermott, and I thought he lost that fight. I can only go by what I've seen.
"We saw how Price dispatched McDermott. Maybe that's not the best way to judge them and maybe Fury has improved a lot."
Haye still hopes to face WBC champion Vitali Klitschko, but he will go back into retirement if the Ukrainian continues his plans to pursue a career in politics.
"If I don't fight Vitali Klitschko that will be it. There is no other motivation. Even if he relinquishes his titles, it's who you beat to get them," said the former WBA champion.
"I'm never going to box for a vacant title. It's about beating the champion. In years to come people would look back and say it meant nothing.
"My love for boxing has always been a desire to prove people wrong and that I am as good as I say I am. I can only prove that against Vitali Klitschko."