Maksim Grabovich was scheduled to face Ruslan Rakhmonkulov at this event. However, Rakhmonkulov missed weight by over 8 pounds and the bout was canceled. Maksim Melnik got injured, Dmitriy Tikhonyuk steps in to replace Melnik against Boris Medvedev. M-1 Challenge 97 - Bogatov vs. Pereira was a mixed martial arts event held by M-1 Global on September 28, 2018 at the Basket-Hall Arena in Kazan, Russia. M-1 Challenge 98 - Frolov vs. Silva was a mixed martial arts event held by M-1 Global on November 2, 2018 in Chelyabinsk, Russia.