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African American professional baseball debuts in Seattle on June 1, 1946.
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Memorabilia, Steelheads Alley
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Seattle Steelheads
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Clinton Yates — Andscape
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Negro League Seattle Steelheads a brief but essential part of the city's rich baseball history
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Salute to the Negro Leagues: A Juneteenth Celebration
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Seattle Mariners City Connect Breakdown: The story behind new uniforms - Seattle Sports
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Top Ten Negro League Jerseys – Ebbets Field Flannels
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The Rich History of Cuban Baseball – Ebbets Field Flannels
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Red Sox, Nationals, A's among MLB teams commemorating Juneteenth
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The story of baseball's forgotten Willie Mays, a pro player in SF — but never for the Giants