The Tigers announced the deal Monday. The 24-year-old Agrazal made 14 starts and one relief appearance for the Pirates last season. He went 4-5 with a 4.91 ERA.
The Tigers also announced they have requested unconditional release waivers on right-hander Drew VerHagen so he can pursue an opportunity in Japan. VerHagen pitched mostly in relief in 2019, going 4-3 with a 5.90 ERA.