The uniforms actually belonged to the San Francisco Cubs, a little known team that rarely played in San Francisco and traveled the country year round.
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History: The Birmingham Black Barons joined the original Negro National League in 1928. After that circuit's demise they became charter members of the Negro American League. In 1948 they defeated the Monarchs for the pennant with a 15 year-old Willie Mays in the outfield.
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History: Roberto Clemente played in the same outfield as Willie Mays on the Cangrejeros, who represented the Santurce neighborhood of San Juan.
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Giants to wear Sea Lions uniforms in Atlanta
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2020 Giants in the Community. The 2020 baseball season will
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Giants-Braves Series Preview: Time For a Series Win
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Art López – Society for American Baseball Research
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