Giancarlo Stanton has returned to the injured list — and the Yankees don’t know when the injury-plagued slugger might be ready to return to the lineup. Stanton, who was placed on the 10-day injured list on Sunday with a left hamstring strain suffered in Saturday night’s game in Tampa, will receive an MRI on Monday in New York to determine the gravity of the injury. After being limited to 18 matches last season, the former MVP — who also suffered a calf strain during spring training and was sidelined in last year’s ALCS —will make his third trip to the injured […]