Kloffenstein is dealing with right shoulder fatigue but recent underwent an MRI that came back negative, Keegan Matheson of MLB.com reports.

The Blue Jays signed Kloffenstein (shoulder) to a minor-league contract Tuesday that includes an invitation to spring training, Ari Alexander of KPRC 2 Houston reports.

Kloffenstein was placed on the Triple-A Memphis' 7-day injured list Wednesday due to right shoulder discomfort, Jeff Jones of the Belleville News-Democrat reports.

The Cardinals optioned Kloffenstein to Triple-A Memphis on Friday.

The Cardinals recalled Kloffenstein from Triple-A Memphis on Thursday.

The Cardinals will recall Kloffenstein from Triple-A Memphis on Thursday, Katie Woo of The Athletic reports.

Kloffenstein was optioned to Triple-A Memphis by the Cardinals on Friday, John Denton of MLB.com reports.

The Cardinals selected Kloffenstein to their 40-man roster Tuesday.

The Blue Jays traded Kloffenstein and Sem Robberse to the Cardinals on Sunday in exchange for Jordan Hicks, Robert Murray of FanSided.com reports.

Kloffenstein has a 2.31 ERA, 1.11 WHIP and 46 strikeouts in 35 innings across seven starts for Double-A New Hampshire.