The White Sox outrighted Stiever to Triple-A Charlotte on Monday.
Stiever (lat) is listed as the White Sox's probable starter for Tuesday's spring game against the Diamondbacks.
Stiever (lat) is scheduled to begin a rehab assignment Wednesday with Triple-A Charlotte, James Fegan of The Athletic reports.
Stiever (lat) is throwing bullpen sessions at the White Sox's spring training facility in Arizona, James Fegan of The Athletic reports.
The White Sox placed Stiever (lat) on the 60-day injured list Thursday, LaMond Pope of the Chicago Tribune reports.
White Sox director of player development Chris Getz said that Stiever underwent season-ending surgery Monday to address a lat injury, James Fegan of The Athletic reports.
Stiever was optioned to the alternate training site Sunday.
The White Sox recalled Stiever from their alternate training site ahead of Sunday's game against the Rangers, James Fegan of The Athletic reports.
Stiever and the White Sox won't face Cleveland on Wednesday after the game was postponed due to inclement weather in Northeast Ohio, Tom Withers of the Associated Press reports.
Stiever will be recalled from the alternate training site Wednesday, Scott Merkin of MLB.com reports.