"Good luck, warrior!"
- wrote Khabib on his Instagram.
The fight will take place on September 26 at the stadium of Tottenham Hotspur Football Club in London.
On the account of the Briton - 24 victories and one defeat in 25 battles.
The Ukrainian has 18 wins in 18 fights.
Earlier, the Russian mixed martial arts fighter Alexander Emelianenko gave a forecast regarding the fight between Usik and Joshua.