The newly-formed MLB Draft League announced Monday that Gyorko accepted a managerial position with one of its six founding teams, the West Virginia Black Bears.
The Brewers declined Gyorko's $4.5 million club option for 2021, freelance baseball writer Robert Murray reports.
Gyorko went 2-for-5 with two solo homers and a walk during Wednesday's 19-0 win over the Tigers.
Gyorko is not in the Brewers' lineup Sunday against Cleveland.
Gyorko will sit Saturday in Cleveland.
Gyorko was reinstated from the bereavement list Friday.
Gyorko was placed on the bereavement list Tuesday.
Gyorko went 2-for-4 with a pair of solo home runs in Friday's 9-1 win over the Pirates.
Gyorko went 2-for-4 with a two-run home run and a second run scored in Tuesday's 6-4 win over the Twins.
Gyorko went 2-for-3 with a two-run home run and an additional RBI in Thursday's win over the White Sox.