The previously rumored Yellowstone spin-off featuring Kayce Dutton (Luke Grimes) has been officially confirmed by CBS. The series currently has the working title Y: Marshals. It will follow the events of Yellowstone Season 5, and will find Kayce joining an elite unit of U.S. Marshals. The spin-off is set to air on Sundays at 9 … Continue reading ‘Y: Marshals’ Yellowstone Spin-off Starring Luke Grimes Officially Headed To CBS