On April 16, 2004, a paradigm shift shook the industry, as “The Beast Incarnate” Brock Lesnar broke the once indestructible steak of The Undertaker’s at WrestleMania 30. Depending on who you are, most remember the moment when the Undertaker sat up in the ring after that crushing blow and in the distance the jumbotron read, “21-1.” In a recent interview, Paul Heyman, who was ringside at the time, told