This was reported on Twitter by the USA Today columnist Mark Coppinger.
In addition, the tournament, which is also called the Boxing Champions League, will feature other famous boxers of the first heavyweight (up to 91 kg), in which Usik owns the world title under the WBO (World Boxing Organization).
In particular, the world champion of the IBF (International Boxing Federation), Russian Murat Gassiev and WBC (World boxing council) World champion, Latvian Myris Breedies.
In addition, the next fight Usik will hold August 26 in Odessa at the stadium "Chernomorets", the opponent is not yet known.
Earlier, URA-Inform reported that a rematch Klitschko-Joshua can hold in Las Vegas.