Dunning will not pitch more than 200 innings this season, Kennedi Landry of MLB.com reports.
Dunning recorded two outs and allowed two hits during the Game 3 loss to the Athletics. He didn't factor in the decision had zero strikeouts and zero walks.
Dunning took a no-decision after allowing four runs on six hits and one walk while striking out five over four innings in Monday's 7-4 loss to Cleveland.
Dunning tossed six innings of scoreless baseball, allowing just three hits during the White Sox' 8-1 victory over the Pirates on Wednesday. He walked one and struck out three.
Dunning will start Wednesday in Pittsburgh, Scott Merkin of MLB.com reports.
Dunning will be recalled from the alternate training site to start Sunday against the Royals, James Fegan of The Athletic reports.
The White Sox optioned Dunning to their alternate training site Thursday.
Dunning pitched 4.1 innings, allowing three runs on five hits and a walk with seven strikeouts in a no-decision versus the Tigers on Wednesday.
Dunning was recalled from the White Sox's alternate training site Wednesday.
White Sox general manager Rick Hahn strongly hinted that Dunning will likely be called up from the team's alternate training site to start Wednesday's game against the Tigers, James Fegan of The Athletic reports. "We'll probably have a pretty good pitching matchup between some young guys," Hahn said of Wednesday's game.