DJ LeMahieu went from most hated to most important for Yankees

ST. PETERSBURG, Fla. — Remember the “Saturday Night Live” sketch when legendary quarterback Joe Montana plays Phil Hartman’s ultra-sincere roomate, Stu? Stu says to Hartman and his date, Jan Hooks, “I hope I’m not disturbing you,” and then, in a voiceover, he thinks, “I hope I’m not disturbing them.” He keeps it very simple. DJ…