Giancarlo Stanton, Didi Gregorius and Dellin Betances taking baby steps

The Yankees on the injured list aren’t taking huge steps back but the small ones signify progress on some level. Giancarlo Stanton was slated to hit off a tee before Tuesday night’s 5-4 comeback win over the Mariners at the Stadium. Stanton played in three games before going on the IL April 4 with a…