The Tigers optioned Hurter to Triple-A Toledo on Sunday.
Hurter hasn't given up an earned run in his past nine appearances and has a 2.45 ERA in 38 major-league appearances this season, so it's a tough-luck demotion for the left-hander. The 26-year-old also had a 2.58 ERA over 45.1 innings with the Tigers in 2024, so he should be back up with Detroit before the end of the season.