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Mariners, Red Sox to Wear Negro League Uniforms – SportsLogos.Net News

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Wayback Machine: Seattle Steelheads' short life - Sportspress Northwest

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Wayback Machine: Seattle Steelheads' short life - Sportspress Northwest

Seattle Steelheads Negro League Baseball Jersey — BORIZ

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Mariners, Red Sox to Wear Negro League Uniforms – SportsLogos.Net News