The Tigers signed File to a minor-league contract Monday, Evan Woodbery of MLive.com reports.
File spent most of the 2025 season at Double-A Arkansas in the Mariners organization, posting a 4.74 ERA and 98:35 K:BB over 125.1 frames. The 29-year-old has previously been on the Brewers' 40-man roster but has yet to make his major-league debut.