Daniel Cormier says a loss to Rafael Fiziev would be a major setback for Justin Gaethje . Gaethje (23-4 MMA, 6-4 UFC) faces Fiziev (12-1 MMA, 6-1 UFC) in the UFC 286 co-main event March 18 in London. The main card airs on pay-per-view following prelims on ESPN and ESPN+. The former interim lightweight champion has been at the top of the division since joining the UFC roster, but after falling short in his second attempt at a title against Charles Oliveira in May 2022, Cormier thinks the fight is a must-win for Gaethje. “Justin Gaethje is a kill or be killed guy,” Cormier said on his ESPN show, “ DC & RC .” “His mentality doesn’t change
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