Pirates to wear 1979 throwback uniforms for Sunday games - Sports
Throwback uniform - Wikipedia
Willie Stargell 1979 Pittsburgh pirates baseball, Pirates baseball, Baseball classic
Uni Watch's Friday Flashback -- The Pirates go back to their bumblebee days - ESPN
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Throwback Uniforms: Pirates and Reds (1979)
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7/27/2013 Throwback game to 1969 Oakland Athletics uniforms 163494723BM_0289 by LI Phil, via Flickr
Tucson-area native Gonzales turns MLB heads with Pirates
Pirates Bring Back Pillbox, Complete 1979 Look for New Uniform – SportsLogos.Net News
Uni Watch's Friday Flashback: Buzz, buzz go the Pirates - ABC News