You could try writing the Mariners care of Safeco Field:
Safeco Field
1516 First Avenue S.
Seattle, Washington 98134
The mailing address for the Seattle Mariners corporate office is: Seattle Mariners P.O. Box 4100 Seattle, WA 98194 The physical address for the corporate offices is what is called the Front Office at Safeco Fieldk 1250 1st Ave. S., Seattle, WA 98134.
The Seattle Mariners play in Seattle, Washington
Seattle Mariners was created in 1977.
The Seattle Mariners play in Seattle, Washington
seattle mariners-1977 seattle pilots-1969 and seattle rainers-1939
The Mariner Moose is the Seattle Mariners team mascot.
The Mariners are a young team, formed in 1977 as the Seattle Mariners. Nothing about the name has changed since.
The Seattle Mariners travel on their own plane
Nintendo of America owns the Seattle Mariners.
the Seattle mariners
the Seattle Mariners
Click on the '1983 Seattle Mariners Roster' link to see all of the players that were on the Seattle Mariners roster in 1983.