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Team Name: Seattle Mariners
Seasons: 50 (1977 to 2026)
Record: 3732-4065, .479 W-L%
Playoff Appearances: 6
Pennants: 0
World Championships: 0
Winningest Manager: Lou Piniella, 840-711, .542 W-L%
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2026 Mariners (43-43, 2nd place in AL West)
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