Gosewich signed a minor-league contract with the Brewers on Thursday as a non-roster invitee.
Gosewisch was was informed Friday that he'll open the season at Triple-A San Antonio, Adam McCalvy of MLB.com reports.
Gosewisch inked a minor-league contract that includes an invite to spring training with Milwaukee.
Gosewisch agreed to a minor-league deal with the Nationals on Saturday, Mark Zuckerman of MASN Sports reports.
Gosewisch was released by the Mariners on Thursday.
The Mariners reassigned Gosewisch to their minor-league camp Sunday, TJ Cotterill of The Tacoma News Tribune reports.
Gosewisch cleared waivers and was outrighted to Triple-A Tacoma on Thursday, Bob Dutton of The Tacoma News Tribune reports.
The Mariners designated Gosewisch for assignment Sunday.
Gosewisch was optioned to Triple-A Tacoma on Monday.
Gosewisch went 0-for-4 with four strikeouts in Monday's 6-5 win over the A's.