The ‘old man’ gives the Yankees just what they need

CC Sabathia bounced off the mound, and scooped a slow roller backhanded, flipping it to first base for the final out of the seventh inning. The 37-year-old unleashed a ferocious scream, and an equally powerful fist pump, running to the dugout on a right knee that has finally grown kind enough to cooperate. “I’m an…