Death. Taxes. The Undertaker maintaining his fabled winning streak at Wrestlemania.Three things that you assume are  inevitable. Yet, on April 6th, 2014,  on "The Grandest Stage of Them All," the Undertaker's 21-0 streak came to an end with Brock Lesnar putting a blemish on the legend's perfect record. Fans were stunned. Hell, the match's finish was so stunning that it was probably a contributing factor in ...