James Paxton won’t use knee as excuse after getting booed off mound

James Paxton entered Tuesday night with a 0.34 ERA at Yankee Stadium this season. He ended it by being booed off the mound when he was knocked out in the third inning of the Yankees’ 10-4 loss to the Mets in the nightcap of a split doubleheader. It was the second straight rocky start for…