“I want to shock the World and beating him would be one of the biggest upsets of all time,” said Crolla. “He’s a unique fighter and I’ve had to change up sparring to spar with different guys to cover everything he can throw at me.
“We’ve used top-class sparring partners like Jazza Dickens and Frankie Gavin, who was probably the best amateur this country has ever produced.
“Training has gone really well. It’s been brutal at times but you expect it to be. I’ve really been put through it in this camp. My life has just been gyms and motorways.