The PFL heavyweight division has taken a hit going into the second half of the regular season. Fabricio Werdum and Mohammed Usman have been forced to withdraw from their respective matchups June 25 at 2021 PFL 6, leaving the promotion to make some adjustments. Werdum (24-9-1), who was supposed to fight Brandon Sayles, was not medically cleared to compete, according to promotion officials. Usman (7-2), meanwhile, suffered an injury in training that will prevent him from making it to the cage for his planned matchup with Denis Goltsov