MIKE ROSENSTEIN nj.com The Kansas City Royals announced Tuesday they are mourning the death of former pitcher Mark Littell. MLB Trade Rumors reports Littell had passed away at the age of 69. Littell is best remembered for one of the low points in his career, giving up a walk-off home run to Chris Chambliss in Game 5 of the 1976 American League Championship Series, which sent the New York Yankees…