Jacob Wilson was removed from Sunday's game in the fifth inning after diving for a ball and the A's placed him on the injured list on Tuesday afternoon with what they are calling a left shoulder subluxation. There is no timetable for his return.

With Wilson on the IL, the A's called up No. 5 prospect Henry Bolte and veteran infielder Michael Stefanic, while optioning third baseman Brett Harris to Triple-A Las Vegas.

This roster shuffle now puts the focus onto Darell Hernaiz and Zack Gelof, who will have opportunities to earn their spots on the team for the long-term. Hernaiz figures to be the starting shortstop on a regular basis, going back to his natural position.…