It has been confirmed that Miller will challenge Joshua for his world heavyweight titles at Madison Square Garden on June 1.
And Fury has revealed that he made light work of the American during a training camp back in 2011.
‘I was back home in Morecambe and I needed a sparring partner, the first person that sprang to mind was Jarrell Miller, I thought he’ll be good sparring for me,’ Fury told The Sun.
‘Obviously I wasn’t a world champion at the time, he came over to Morecambe and we sparred at a local gym.
‘I’m not going to go into too much detail, but I hired him for two weeks sparring, I ended up sending him back home after one day sparring.
‘I put him down seven times in the first spar and I sent him home packing back to the USA.’
The Gypsy King has has long had his eyes on facing fellow undefeated Brit Joshua but is also looking forward to watching him take on Miller.
He said: ‘I think it’s a good fight. Two undefeated fighters and may the best man win.’
‘I’m not going to sit here and slag it off, it’s a great boxing fight, defending a world championship.
‘Jarrell and me go way back to 2011, he is a nice fella – I’ve known him for a long time.
‘I wish him all the very best in the fight but at the end of the day I hope Anthony Joshua knocks him into next week, because he’s a British lad and I hope he wins.