New York Yankees shortstop Anthony Volpe had a cortisone shot in his left shoulder on Wednesday after playing through a small tear in his labrum for more than four months.
Volpe, who also received a cortisone shot after the All-Star break, aggravated the injury during Sunday's game and will again sit out Thursday -- his third absence in a week.
Boone said Volpe remains in "day-to-day mode" and may also miss the opener of a three-game series at Boston on Friday.
The Yankees don't expect Volpe to be placed on the injured list. Boone said the shortstop will probably have an MRI after the season.
The small tear was first discovered in early May after he felt a pop in his shoulder.
"He's aggravated it, maybe a couple of times, Sunday being one of them and each time it's kind of added