The 40-year-old fighter is preparing to face Derek Chisora in his rival’s final ever fight next month, and Deontay is so focused on victory, he wants his training mates to throw everything at him.

He told Boxing News magazine: “My mind, mentally, physically, emotionally, is involved in this. Blood, sweat and tears.

“I’ve already put it in a contract with my sparring partners; $1,000 if you can knock me out.

“We giving a $1,000 bonus in this camp. This how serious I am.

“We getting nothing but pressure fighters, nothing but guys that’s coming and throwing the kitchen sink, the toaster, the oven.

“I want you to pick the refrigerator up and throw it.

Wilder knows he needs to expect the unexpected from his opponent.

He said: “I just love the excitement of it. Knowing I’m going to have a guy that’s just coming.

“He don’t care where he hits you. He can hit you in the neck, the back, the stomach, even in the nuts!

“He ain’t going to apologise.

“My timing has to be damn near perfect. My focus has to be good.

“I can’t take this to a street fight. This is going to have to be something I calculate and take my time with.”