Dustin Poirier has been told he cannot sell out a fight within 24 hours unless he faces a big name.
Former interim champion Poirier has pondered retirement since losing out on the UFC lightweight title to Charles Oliveira last December.
'The Diamond' is struggling to book a long-awaited fight with Nate Diaz and admitted on Twitter he "probably" won't fight Conor McGregor for the fourth time.