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The Seattle Mariners' mascot, the Mariner Moose, greets a young fan during a baseball game against the Texas Rangers Sunday, May 7, 2017, in Seattle. The Mariners won 4-3. (AP Photo/Elaine Thompson

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The Seattle Mariners' mascot, the Mariner Moose, greets a young fan during a baseball game against the Texas Rangers Sunday, May 7, 2017, in Seattle. The Mariners won 4-3. (AP Photo/Elaine Thompson

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The Seattle Mariners' mascot, the Mariner Moose, greets a young fan during a baseball game against the Texas Rangers Sunday, May 7, 2017, in Seattle. The Mariners won 4-3. (AP Photo/Elaine Thompson