Pirates' alternate uniform harkens to early '70s

Pittsburgh Pirates Unveil New City Connect Uniform: Bleeding Black and Gold – SportsLogos.Net News

The Coolest Throwback Jersey to Own for Each MLB Team, News, Scores, Highlights, Stats, and Rumors

Those wacky baseball uniforms of the '70s.

Pittsburgh Pirates Alternate Uniform Pittsburgh pirates, Pirates, Pittsburgh

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Uniforms and Logos Pittsburgh Pirates

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How the Pittsburgh Pirates sparked a uniform revolution in the 1970s - ESPN

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Pirates' 1970s mid-season uniform switch - old cap and/or helmet used with new uni - Sports Logo News - Chris Creamer's Sports Logos Community - CCSLC - SportsLogos.Net Forums