Yankees get more clarity on future of their injured stars

BALTIMORE — Didi Gregorius swung a bat for the first time since going on the disabled list Sunday and Gary Sanchez will join Triple-A Scranton/Wilkes-Barre on a minor league rehab assignment Monday. “I am optimistic, but we still have to see,’’ Aaron Boone said when asked Sunday if the shortstop and catcher will come off…