The Red Sox released German on Wednesday.
The Reds released German on Thursday.
German was outrighted to Triple-A Louisville on Tuesday.
Cincinnati designated German for assignment Monday.
The Reds claimed German off waivers from the White Sox on Monday and optioned him to Triple-A Louisville.
German was designated for assignment by the White Sox on Tuesday.
German was traded to the White Sox from the Red Sox on Friday in exchange for Theo Denlinger.
German was designated for assignment by the Red Sox on Monday.
German allowed four runs on two hits and two walks without retiring a batter in Saturday's 9-0 loss to the Royals.
German's contract will be selected from Triple-A Worcester on Saturday, Christopher Smith of The Springfield Republican reports.