Nurmagomedov will be eligible to claim the promotion's lightweight title with a victory, but Iaquinta will not as he did not weigh-in under 155 pounds.
McGregor appeared in court in NY on Friday charged with assault and criminal mischief. Holloway is obviously out, as his weight cut was going poorly and the New York State Athletic Commission forced him to abort his attempts at making the 155 pound weight limit, and withdrew him from the card all together.
After Ferguson was injured, Khabib was scheduled to take on Featherweight Champion Max Holloway (interestingly, the fight would be for the Lightweight title), but then Conor McGregor's infamous attack took place, forcing Holloway to the sidelines.
By the time Russia's Nurmagomedov and Iaquinta face off across the Octagon in Brooklyn, 511 days will have passed since McGregor won the title from Eddie Alvarez across the bridge at the Madison Square Garden in Manhattan in November 2016.
First he was supposed to fight Tony Ferguson. He is being arraigned right now and dealing with what he has to deal with.
Disney offers to buy Sky News to aid Murdoch bid
The company, however, needs to persuade another regulator, the Competition and Markets Authority (CMA), and the government. And it is competing against Comcast , the USA cable giant that plans to make its own bid for control of Sky.
Still, after having saved the UFC 223 card, he is certainly on UFC President Dana White's good side, and will not doubt make a strong argument to be next in line for a shot at the Lightweight Championship if he wins.
The main event has seen all sorts of twists and turns.
However, with the promotion quickly tiring of his antics, the once hugely-popular Irishman may find that while he might well be able to win back the belt in the future, winning back the fans may prove a lot more hard.