Foster was returned to Triple-A Charlotte after Thursday's doubleheader against Cleveland.

EDGE Analysis

Foster was up as the 29th man for the doubleheader, so this move was procedural. He threw 1.1 innings Thursday, surrendering two earned runs on a walk and two hits. For the season, Foster has a 6.32 ERA with a 40:13 K:BB across 37 innings with the White Sox.