#4 There's nothing left for him to accomplish in the ring
In the latest WWE NEWS, Undertaker has hinted at retirement so many times over the past few years, ever since Brock Lesnar defeated him and ended his undefeated streak at WrestleMania 30. Ever since this defeat The Deadman has been trying to walk away from WWE but has since been roped into matches against Roman Reigns, Bray Wyatt, Shawn Michaels, and Triple H as well as John Cena.
Undertaker had the longest-lasting undefeated streak in professional wrestling and is a multi-time World Champion. However, it is time for him to call it a day and bow out on a high. There is literally nothing left for Undertaker to accomplish in WWE now that WCW vs WWE has finally happened he can go out on high and know that many of the records that he set during his time in the ring will never be matched.