How the Pittsburgh Pirates sparked a uniform revolution in the 1970s - ESPN
Bringing it back: Pirates show off throwback uniforms
1970s Baseball on Twitter Pittsburgh pirates baseball, Pirates baseball, Best baseball player
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Pittsburgh Pirates - Wikipedia
Pirates unveil new black alternate jersey with 'Pittsburgh' script from the 1990s
Pittsburgh Pirates Throwback Jerseys, Pirates Retro & Vintage Throwback Uniforms
Pirates' alternate uniform harkens to early '70s
Uni Watch's Friday Flashback -- The Pirates go back to their bumblebee days - ESPN
Pirates Become Latest Pro Sports Team To Drop Ugly Alternate Uniforms – OutKick