Ultimate Brazil marked the first UFC event (other than UFC 9) to not utilize the tournament format which, aside from UFC 23, was abandoned completely in following events. The event featured the first ever UFC Lightweight Championship fight, as well as a Middleweight Championship fight.
Ultimate Brazil marked the first UFC event (excluding UFC 9) to not employ a tournament format, which was subsequently abandoned entirely in subsequent events. The event featured the inaugural UFC Lightweight Championship bout and a Middleweight Championship fight.