Sheffield debuts for Yanks, pitches scoreless ninth

Justus Sheffield was so nervous when he climbed the Yankee Stadium mound in the ninth inning for the first time in the Yankees’ 10-1 win over the Red Sox on Wednesday night that he thought he’d trip over it. Once he didn’t, still shaking, he thought he would balk. Such are the jitters that come gift-wrapped with Major League debuts, especially ones as highly-anticipated as Sheffield’s.