Anthony Joshua is expected to display more agility and athleticism against Andy Ruiz Jr after receiving more time to hone his body for the rematch, says promoter Eddie Hearn.

Britain’s heavyweight star can avenge his shock defeat in a second world title fight with Ruiz Jr on December 7, live on Sky Sports Box Office, after his preparations were disrupted before the stoppage loss at Madison Square Garden in June.

Joshua had primed himself for a physical encounter against Jarrell Miller, only for the American to fail a drug test, and instead was forced to contend with replacement Ruiz Jr, but AJ has now tailored his training especially for the Mexican.

Joshua's rematch with  Ruiz Jr is on December 7, live on Sky Sports Box Office Joshua's rematch with  Ruiz Jr is on December 7, live on Sky Sports Box Office Joshua’s rematch with Ruiz Jr is on December 7, live on Sky Sports Box Office

“I think movement and looseness in this fight is quite important for him,” Hearn told Sky Sports. “He’s got to have that movement with him as well.

“I think with AJ, it’s never about the weight, it’s more about how he feels, how he’s training, what he’s doing.