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Mariners Care Requests

The Seattle Mariners support thousands of organizations every year through donations to fundraising events. Donations include promotional items, tickets and/or autographed memorabilia. No sponsorship or monetary donation will be given. All donation requests must be submitted online via our donation request form found. We no longer accept phone, letter or email requests. To submit an in-kind donation request, please click the button below.

Dream Team Assembly Program

To request a Mariners DREAM Team Assembly for your elementary school, please send a letter of request on school letterhead to:

Seattle Mariners, C/O DREAM Team Assembly Program, P.O. Box 4100, Seattle, WA 98194.

Speaker's Bureau/Player Apperances

Appearance requests for current players, alumni, broadcasters, and Front Office personnel must be sent at least six weeks before your event to:

Seattle Mariners, C/O Speaker’s Bureau, P.O. Box 4100, Seattle, WA 98194.

When requesting an appearance by a current player, please consider the Mariners travel schedule.

Mariner Moose

The Mariner Moose is available for private, community, and corporate appearances. To book the Moose at your next event, please call the Mariner Moose Scheduling Hotline at (206) 346-4321, e-mail [email protected], or send your request in writing to: Seattle Mariners, C/O Mariner Moose, P.O. Box 4100, Seattle, WA 98194.