Former two division world champion David Haye is hoping Anthony Joshua doesn't batter Wladimir Klitschko too much in their potential fight.

Joshua's promoter Eddie Hearn insists a deal has "virtually" been agreed for Joshua to fight Klitschko.

He has revealed, however, a concern it is not the "right fight" for Joshua to be taking. Press Association Sport understands an announcement will be made in the coming days to confirm the IBF heavyweight champion is making the second defence of his title against Klitschko at the Manchester Arena on December 10.

Former IBF, WBO, IBO and WBA champion Klitschko would represent the most difficult fight of his short professional career, and a significantly greater challenge than any other previous opponent.

There remains a risk Joshua could lose his undefeated status and title to a heavyweight considered among the finest in history and that Matchroom's Hearn will be accused of making the fight too soon. The promoter is instead aware that is the chance they are taking.

"I don't think it is the right fight for Anthony Joshua, but isn't that what's exciting about it? You can't really win as a promoter because on one hand people are saying 'You're putting him in too easy (past) fights', and then they're saying 'That's a bit early for him isn't it? What are you doing?,' Hearn told Radio 5 Live.

"It's a complete 50-50 fight. Freshness, sharpness leads you to Anthony Joshua, and then the experience says Anthony hasn't got a chance. It's definitely a jump too early, it's his 17th pro fight, he's never been in with anyone like Wladimir Klitschko, anyone with his experience. But I also believe Wladimir Klitschko has never been in with anyone like Anthony Joshua."

Haye, who lost a twelve round decision to Klitschko in 2011, says that fighter is a thing of the past. Klitschko has been out of the ring since losing a twelve round decision to Tyson Fury last November.

"I definitely think the era of the Klitschkos will be over. Joshua has got him at the perfect time. Klitschko physically always looks the part and comes to the ring in shape but he is not the fighter he once was," Haye said.

“And sometimes fighters are the last to realize it. I just hope he doesn’t get too bashed up. Joshua at 26 is too fresh, too young, too enthusiastic. Klitschko is just too old.”