Tyson Fury deserves credit for not "ducking" any opponent and agreeing to face off against the best fighters, according to his promoter Frank Warren.

An eleventh-hour agreement is reported to have been reached for a fiercely anticipated unification bout between Fury and Oleksandr Usyk.

It seemed a deal would not be agreed, with figures from both camps hinting at an imminent collapse in talks last week, before Usyk publicly offered a 70-30 purse split in Fury's favour.

That got the wheels moving again, with the WBA confirming it had been assured of a deal, before Warren confirmed over the weekend the fight was on – and hailed Fury for going toe-to-toe with the best in his era.

"Everyone wants to see the fight. Everybody should take their hat off to Tyson Fury because he's the only heavyweight since going back to those great glory days of Ali, Foreman and Frazier that has fought the best around of the generations he's been in," he told talkSPORT.

"He's fought against [Wladimir] Klitschko, who was the best of his generation, went to his backyard and beat him. The longest reigning heavyweight in Deontay Wilder – went to the states not once but three times and beat him.

Belly @Tyson_Fury Deal !?? pic.twitter.com/X1IoWF5zgY
— Alexander Usyk (@usykaa) March 10, 2023

"Now he's stepping up to the guy who has had two wins over Joshua and has three belts.

"You have to take your hat off to Tyson, we talk about Lennox Lewis, but he never fought Riddick Bowe, never fought Mike Tyson until he was well past his best. I'd not taking anything away from Lennox, he was a great fighter. Tyson has fought all these guys at their best.

"Once we get it all finalised… it's great. It's the first time four belts have been on the line. It's the biggest heavyweight fight in goodness knows how many years.

"Both are undefeated and both in their prime. It will be a fantastic event and the highest grossing event ever to take place at Wembley, beating the previous one. I'm not talking about boxing but a one-off event. The previous one was last April again with Tyson.

"He's a megastar and I'm delighted for him. People should acknowledge in him, we've got a fighter who doesn't duck anybody."