Jarrell Miller

Joshua was present on American soil to promote the defence of his IBF, WBA and WBO titles against Russian Alexander Povetkin on September 22 at Wembley Stadium. 

However, Miller interrupted the head-to-head meeting between the two heavyweights to confront the unified champion, who responded to the goading by turning to face up to the trash-talking American. 

The unbeaten American targets a 20th victory against Mariusz Wach in New York in the early hours of Sunday morning, live on Sky Sports, with Miller hoping to edge closer to a world title shot.

Anthony Joshua defended his WBA 'super' and IBF belts with a 10th round stoppage win over Carlos Takam, but Miller was far from impressed with the champion's performance.

"What I have seen, heard, and the way he fights, he's a mental midget," Miller told Sky Sports. "Once I get there I'm shutting that down.