Kell Brook knows he could be entering the last chance saloon when he faces Terence Crawford on Saturday but is confident he will pull off a shock in Las Vegas.

Crawford (36-0, 27 KOs) is a huge favourite to retain his WBO welterweight title behind closed doors in the MGM Grand bubble.

Brook, a former world champion at the 147-pound limit, declared he is the shape of his life at the age of 34 and is ready to prove he belongs at the highest level.

The Brit said there will be no thoughts that it is win or bust for him on the big stage when he steps into the ring with an undefeated three-division world champion, yet realises he will have a decision to make on his future if he suffers a third defeat of his career.

Brook told Stats Perform News: "I don't really think about it, but of course if I did lose this fight I'd have to sit down with my family and think about what I'd be doing next, really and truthfully.

"But we honestly believe, and I certainly believe - I know there are people that believe in me, journalists that believe in me - but I'm on about my family and myself.

"I know what I've put myself through in training and where I am at this stage of my career. We believe we're going to win."

“Make Weight”? dealt with the weight, now we deal with Crawford! #WarBrook #CrawfordBrook #AndTheNew #KellChapo pic.twitter.com/VWo6LuzKYK
— Kell Brook (@SpecialKBrook) November 13, 2020

Brook (39-2, 27 KOs) feels a blockbuster showdown with Crawford has come at just the right time for him.

The Sheffield native said: "Just because of where I am in my life and I believe that it's come at the perfect time where I'm professional, I'm not cutting corners anymore because there's no room for error.

"It's just come at the perfect stage where I'm disciplined and I know what it takes to be the very best in the world."

Brook decided during lockdown he was going to throw everything at returning to the peak of his powers.

He added: "I think the first lockdown did us all in, didn't it? It did us all in. The first, initial lockdown.

"I just realised that I love competing and I've got much more to give still. So, I wanted to give myself the best opportunity. I've always said, 'we'll start next week, I'll start tightening up next week'.

"But I knew for this one I needed to be from the get-go as tight as possible with everything that I do and I feel amazing now for doing that."