White Sox's Steven Wilson: Pulled off rehab assignment

Wilson (back) was returned from his rehab assignment Sunday due to right shoulder impingement syndrome, Scott Merkin of MLB.com reports.

Wilson was originally forced to the injured list in mid-August due to a lower-back strain. He appeared to be on closing in on a return, having made eight appearances during his rehab stint with Triple-A Charlotte, but the shoulder impingement will bring an early end to his campaign. Wilson posted a 5.71 ERA, 1.59 WHIP and 34:26 K:BB over 34.2 innings in his first season with the White Sox.