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2019 Japan Opening Day Series - Game Used Jersey - Felix Hernandez, Seattle Mariners at Yomiuri Giants/Seattle Mariners at Oakland Athletics -3/17/2019 , 3/18/2019 3/21/2019 | MLB Auctions
MLB - MLB clubs will wear jersey patches throughout 2019 in celebration of the 150th anniversary of the first openly all-salaried professional baseball team (1869 Cincinnati Reds). In addition, teams will wear
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