What Yankees Plan B should be if Chapman’s isn’t ready to close

On its surface, this game served as the poorest of platforms for the Yankees’ deep bullpen. A nail-biting, 10-8 victory over the historically awful Orioles on Friday night at Yankee Stadium, forcing Aaron Boone to go to several of his mainstays despite the bountiful run support? “It got a little dicey there,” Boone said, smiling…