BJ Penn and Caol Uno met twice in the UFC (and almost a third time) before those two historic matches in the octagon, ending first with a highlight reel KO, and followed by a five-round war for the lightweight title.
Before he became a UFC heavyweight champion, Brock had to make his first steps in the MMA world after a tumultous time in the WWE and failed attempt to join the NFL.
Before he became one of the most dominant light-heavyweights in the UFC, Chuck Liddell had to earn his way into the company. With his life at a crucial point, it was either make his dreams a reality or enter the 9 to 5 grind.
