Altherr signed a contract with the NC Dinos of the Korean Baseball Organization on Friday, Dan Kurtz of MyKBO.net reports.
Altherr cleared waivers and was outrighted to Triple-A Syracuse on Tuesday, Andersen Pickard of MLBDailyDish.com reports.
Altherr was designated for assignment Saturday, Tim Healey of Newsday reports.
Altherr had his contract purchased from Triple-A Syracuse on Saturday.
Altherr was sent outright to Triple-A Syracuse on Sunday, Jacob Resnick of Mets Minors reports.
Altherr was designated for assignment by the Mets on Wednesday, Tim Britton of The Athletic reports.
Altherr connected on a pinch hit solo home run in Friday's loss to the Tigers.
Altherr was claimed off waivers by the Mets on Thursday.
The Giants designated Altherr for assignment Sunday.
Altherr will be available for the Giants' next game Tuesday against the Blue Jays, Henry Schulman of the San Francisco Chronicle reports.