Wilson has wound up on the 15-day injured list due to left shoulder tightness, and he is expected to remain sidelined until at least the early part of June.
McLain has been sent to the 60-day injured list while recovering from surgery to address cartilage damage and repair the labrum in his left shoulder. A timetable for return has yet to be established.
Crawford has been activated from 10-day injured list after recovering from Grade 1 right oblique soreness, and he is expected to play against the Yankees on Tuesday.
Brash has hit the 60-day injured list with right elbow inflammation, and he will miss the remainder of the season while recovering from Tommy John surgery.