An already depleted New York Yankees starting rotation suffered another blow when Marcus Stroman required a cortisone shot in his left knee following a 9-1 loss to the San Francisco Giants.

Yankees pitcher Marcus Stroman, who was placed on the injured list Saturday, had a cortisone shot to treat swelling in his inflamed left knee.

NEW YORK — After Yankees pitcher Marcus Stroman complained of discomfort in his left knee Friday night, he received a cortisone shot and the MRI came back clean. “Hopefully get him ramped up pretty quick and it’s something that helps him moving forward,” Manager Aaron Boone said before Sunday’s game.