Kell Brook and Errol Spence will meet at Bramall Lane -- home of Sheffield United -- on May 27, it is expected to be confirmed early next week.
Brook's promoter Matchroom are waiting on the local council to agree to their plans and grant a safety licence to stage the IBF world welterweight title fight at the football ground.
American Spence, 27, will be the most serious threat Brook has faced for his IBF title and comes after talks to face his British rival Amir Khan this summer broke down for the second successive year.
"I don't believe he's [Spence] fought anyone on my level yet and I'm looking forward to taking care of him in my own back yard. I believe we'll both bring the best out of each other," Brook told ESPN.
"They think he's going to be the next big star of American boxing but he's fighting me, a world champion who has belief that no man can beat him. It's a massive step up for him.
"People around me advised me to move up but I'm a stubborn man. It took me a long time to win that world title belt and I'm not going to just give it up.
"It's going to be a struggle to get down to welterweight limit and I will find it hard but I'm too stubborn just to give it up and there are some big fights out there at welterweight."
Brook, 30, posted a video of his pass certificate from VADA [Voluntary Anti-Doping Association] earlier this week and contracts between the fighters are believed to have been signed.
Brook has made three low-key defences of the title since winning it from Shawn Porter on points in August 2014 -- against t Jo Jo Dan, Frankie Gavin and Kevin Bizier.
But Brook can expect a far larger attendance at the home of his beloved Sheffield United, which will be set out for 28,000.
Brook has been training in Fuerteventura for the past month after recovering from surgery on a broken eye socket sustained in his last fight against Gennady Golovkin, who he stepped up two divisions to challenge.