The UFC is a monopoly in the same vein as the WWE.
They aren’t the only show in town, but they are the biggest show and therefore can dictate wages.
Most UFC fighters are paid paltry amounts considering they are getting into the Octagon with the high probability if leaving bloodied, bruised and injured each time out.
Brock Lesnar decides to come fight on a whim is making more than the majority of the card COMBINED.
Brock Lesnar's purse tonight is $2.5 million
— Kevin Iole (@KevinI) July 9, 2016
Great for Brock, not so much for the rank and file of the UFC. Fighters like Conor McGregor know their worth and you see they tried to knock him down a peg when he wouldn’t cater to all of their demands.