The Mariners signed Kaminsky to a minor-league contract Monday.
Kaminsky signed a minor-league contract Friday with the Mariners.
Kaminsky signed a minor-league contract with the Phillies on Tuesday.
The Cardinals outrighted Kaminsky to their alternate training site over the weekend after he went unclaimed off waivers, Jeff Jones of the Belleville News-Democrat reports.
The Cardinals designated Kaminsky for assignment Wednesday, Anne Rogers of MLB.com reports.
Kaminsky, who fired a scoreless ninth inning during which he allowed one hit in Monday's loss to the Cubs, has now put together three scoreless, one-inning appearances to open his major-league career.
Kaminsky was recalled from the Cardinals' alternate training site Saturday.
Kaminsky was added to the Cardinals' major-league roster Saturday.
Kaminsky will be called up to the 28-man roster when the Cardinals' season resumes following their COVID-19 outbreak, Jeff Jones of the Belleville News-Democrat reports.
The Cardinals assigned Kaminsky to their alternate training site in Springfield on Thursday.