German allowed one run while striking out four over four innings in his season debut Tuesday with Single-A Bradenton.
German (personal) elected to become a free agent Monday.
The Yankees outrighted German (personal) to Triple-A Scranton/Wilkes-Barre on Thursday, Joel Sherman of the New York Post reports.
German was placed on the restricted list Wednesday after agreeing to voluntarily submit to inpatient treatment for alcohol abuse.
German was scratched from his start Monday against the Rays due to discomfort in his right armpit, but manager Aaron Boone said that he doesn't expect the 30-year-old to land on the 15-day injured list, Bryan Hoch of MLB.com reports.
German has been scratched from his scheduled start Monday against the Rays due to an unspecified "physical issue," Greg Joyce of the New York Post reports.
German (5-7) took the loss Tuesday as the Yankees were downed 9-3 by the Mets, coughing up six runs on seven hits -- including three home runs -- and a walk over six innings. He struck out nine.
German (4-4) took the loss Friday, allowing seven runs on seven hits and two walks over two innings in a 15-5 loss against the Red Sox. He struck out one.
German improved to 3-3 in Monday's 10-4 win over the Mariners, allowing four runs on seven hits and three walks over 6.1 innings. He struck out four.
The Yankees reinstated German (suspension) from the restricted list Sunday.