The Cubs placed Kilian (shoulder) on the 60-day injured list Thursday.

Cubs manager Craig Counsell said that Kilian will be sidelined until around the All-Star break after an MRI revealed a teres major strain in his right shoulder, Meghan Montemurro of the Chicago Tribune reports.

Killian underwent an MRI after exiting a Cactus League appearance Tuesday with right shoulder discomfort, Tony Andracki of Marquee Sports Network reports.

Kilian logged two scoreless innings with two strikeouts in Friday's Cactus League game against the White Sox.

The Cubs optioned Kilian to Triple-A Iowa on Tuesday, Meghan Montemurro of the Chicago Tribune reports.

Kilian was recalled from Triple-A Iowa on Sunday, Andy Martinez of Marquee Sports Network reports.

The Cubs optioned Kilian to Triple-A Iowa on Sunday, Taylor McGregor of Marquee Sports Network reports.

Kilian was recalled from Triple-A Iowa and will start for the Cubs on Saturday against the Marlins, Meghan Montemurro of the Chicago Tribune reports.

Cubs manager David Ross confirmed Friday that Kilian will start Saturday against the Marlins, Maddie Lee of the Chicago Sun-Times reports.

Kilian threw a bullpen session Thursday and isn't listed among Triple-A Iowa probable starting pitchers this weekend, suggesting he could be called up to make a spot start for the Cubs on Saturday in Miami, Tommy Birch of The Des Moines Register reports.