Brian Campbell talks with the man behind The Undertaker, Mark Calaway, on his new WWE Network docuseries "Undertaker: The Last Ride," and why he chose to open up after 30-plus years in pro wrestling. Calaway relives how the ending of The Undertaker's WrestleMania streak came to be, how his character survived the ever-changing landscape of the business and how his relationship with Vince McMahon evolved. Plus, Taker shares the story of the best rib VKM ever played on him and what he has in mind for the perfect way to end his legendary career. ----------------------- 'State of Combat' is available on Apple Podcasts, Spotify, Stitcher, Castbox, Google Podcasts, Bullhorn and wherever else you listen to podcasts.    Follow our hosts on Twitter: @BCampbellCBS, @stateofcombat   For more MMA coverage from CBS Sports, visit https://www.cbssports.com/mma/ To hear more from the CBS Sports Podcast Network, visit https://www.cbssports.com/podcasts/ Learn more about your ad choices. Visit megaphone.fm/adchoices