Forget about champions.
How about the contenders that continuously put their careers on the line for just a shot at UFC gold?
Because there will always be a titleholder for each division, but there's not always going to be worthy challengers capable of pulling off the impossible.
That's why we need to cherish the fighters the sport currently has in place and marvel in the excellence that these warriors have forged throughout the past few years.
With that said, in regards to how entertaining and close-knit their first encounters were, here are five rematches involving elite contenders that we must see.