We are still three-plus weeks away from Opening Day and the Mariners have begun the process of trimming their camp roster, sending some players to minor league camp and releasing right-handed pitcher Dauris Valdez.

Mariners top prospect Colt Emerson doesn't have a hit this spring. But a 14-pitch at-bat Sunday could be a defining moment.

Polanco will play at designated hitter on Monday as the M's take on the Cleveland Guardians, marking his first action of the spring.