5 Matches The Undertaker must have before retiring

#4 Sting

Sting vs. Undertaker is still a dream match, even for Sting himself

Indeed this is an obvious choice, but it has to be placed on any list about men The Undertaker has never wrestled before - a list of men that he has not only never wrestled, but men that he must wrestle before he calls it a career. It's a match that Sting has been asking to have, and as recently as December he called it the one match he would be willing to come back for.

Sting wants it, the fans want it, and surely The Undertaker would be willing to have the match that fans have been hoping to see since Sting debuted his famous "crow" character way back in 1997. Indeed, Sting will be 61 when WrestleMania 36 rolls around and Undertaker will be turning 55 just four days after Sting hits the big six-one, but between the two characters, the possibility of covering up for their age and shortcomings is easy. Smoke and mirrors.

The Undertaker's entrance is already extremely long and full of pomp-and-circumstance, and Sting has had some great entrances over his career as well -- just walking to the ring alone could, and maybe should be longer than the actual match. Combine two spectacular entrances, a raucous crowd, and a simple 5-to-8 minute match where both men play the hits and you make everybody happy. Wrestling fans across the world would finally be able to wake up, as their "dream match" will have become a reality.