A glance at the Mariners' minor-league teams.
Class AAA, Pacific Coast League
First game: April 4, at Fresno.
Home opener: April 12, vs. Salt Lake, 7 p.m., Cheney Stadium.
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Manager: Daren Brown.
Key players expected to be in Tacoma: LHP Danny Hultzen, RHP Erasmo Ramirez, C Mike Zunino, OF Carlos Peguero, INF Carlos Triunfel, 3B Vinnie Catricala, INF Alex Liddi, OF Eric Thames, LHP Bobby LaFromboise.
Class AA, Southern League
City: Jackson, Tenn.
First game: April 4, at Jacksonville.
Manager: Jim Pankovits.
Key players expected to be in Jackson: RHP Taijuan Walker, INF Brad Miller, OF Leon Landry.
High Desert Mavericks
Class A, California League
City: Adelanto, Calif.
First game: April 4, at Lancaster.
Manager: Jim Horner.
Class A, Midwest League
City: Clinton, Iowa.
First game: April 4, at Burlington.
Manager: Eddie Menchaca.
Class A, Northwest League
First game: June 14, at Spokane.
Home opener: June 17, v. Tri-City, 7 p.m., Everett Memorial Stadium.
Manager: Rob Mummau.
Rookie, Appalachian League
City: Pulaski, Va.
First game: June 20, at Burlington.
Manager: Chris Prieto.
Rookie, Arizona League
City: Peoria, Ariz.
First game: June 20.
Manager: Darrin Garner.
Note: The Mariners also have teams in the Dominican and Venezuelan summer leagues.