Nate Diaz will face Tony Ferguson at UFC 279 after Khamzat Chimaev missed weight.
Chimaev's unsuccessful weight reduction rearranged the top three fights on the pay-per-view schedule.
Chimaev weighed in at 178.5 pounds, 7 1/2 pounds over the limit, at the UFC Apex gym.
Instead, Chimaev will square off against his adversary Kevin Holland.
whereas Holland's scheduled opponent will square up against Ferguson's scheduled opponent
Ferguson was supposed to fight Li Jingliang in the final fight of UFC 279.
Diaz, 37, was a significant betting underdog against Chimaev, one of the world's top welterweights.
Chimaev will fight Holland in a 180-pound catchweight contest despite financial penalties.