Keller will replace Michael Soroka in the White Sox's starting rotation, Daryl Van Schouwen of the Chicago Sun-Times reports.

Keller allowed one earned run on five hits and no walks with no strikeouts across three innings Tuesday against the Rays. He did not factor into the decision.

Keller is scheduled to start Friday's game against the Cardinals at Busch Stadium.

The White Sox selected Keller's contract from Triple-A Charlotte on Sunday.

Keller is a candidate to join the big-league rotation Tuesday against the Royals, Scott Merkin of MLB.com reports.

Keller has joined Triple-A Charlotte and will make the start for the Knights on Thursday, James Fegan of SoxMachine.com reports.

Keller underwent thoracic outlet syndrome surgery over the offseason, Daryl Van Schouwen of the Chicago Sun-Times reports.

Keller (shoulder)signed a minor-league contract with the White Sox on Friday that includes an invitation to spring training.

Keller was placed on the 15-day injured list Wednesday due to symptoms associated with thoracic outlet syndrome.

Keller (shoulder) was reinstated off the 60-day injured list Saturday.