Newly crowned interim UFC Flyweight champion Brandon Moreno tells TMZ Sports his highly anticipated 4th fight with champ Deiveson Figueiredo -- where they'll unify the belts -- is the biggest fight in the history of the 125 lb. division.
And, it's not even really up for debate.
We talked to the 28-year-old fighter on Wednesday, and asked him about the significance of the fight.
"Man, tell me another example [of a bigger fight], please. The 4 fights between Figueiredo and I is the biggest one, easily.