As worn on-field by the players on their left sleeve.
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MLB Jersey & Cap History
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Ranking the 2020 MLB uniforms: Brown and red and powder blue all
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The 2020 Uni Watch MLB Season Preview - InsideHook
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Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA
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Red Sox reach $170 million jersey-patch deal, Mets also interested
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New York Mets - Wikipedia
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New York Mets Merchandise, Mets Apparel, Jerseys & Gear
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Mail day! 2020 Toronto Blue Jays Team Issued Alternate Royal Blue
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Mets Unveil Blue Alternate Home, Away Jerseys - CBS New York
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Authentic Youth Pete Alonso Royal Blue Alternate Road Jersey - #20
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The Cycle, Issue 6: The Platonic Ideal of a Baseball Uniform
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New York Mets Jerseys - Mets History