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Take your Seattle Mariners memorabilia collection to the next level with this Ken Griffey Jr. It features a hand-signed autograph from the 2016 Baseball Hall of Fame inductee.

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Start game day off right in this Seattle Mariners Cooperstown Collection Mesh Batting Practice jersey from Mitchell & Ness. This throwback piece features the number of your favorite Seattle Mariners player of all time and makes you stand out among everyone in the crowd. Its mesh fabric makes it great for when you're in chill mode or on the go, so get comfortable in this Seattle Mariners jersey this season.

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