Mitrofanov's rival Shiraz trained with Justin Bieber

On August 26, Ukrainian boxer Dmitry Mitrofanov will face British prospect Hamza Shiraz, who has a perfect record of 17-0, 13 KOs. Today, Hamza posted on his Instagram a photo from a workout he had with popular singer Justin Bieber.

“I spent the last training session here in the USA. It's great that I finally met and spent several rounds with Justin Bieber, ”Shiraz captioned the photo.

Recall that the confrontation between Mitrofanov and Shiraz will take place as part of the undercard of the Usyk-Dubois boxing evening, which will be held on August 26 in Wroclaw. In this bout, Shiraz will defend his WBC Silver middleweight belt.