Why Pittsburgh's teams all wear black and gold
Pittsburgh Pirates fans erupt as Marlon Byrd hits a two-out two-RBI single in the first inning of game 3 of the NLDS against the St. Louis Cardinals at PNC Park in Pittsburgh
Wear what the players wear! The Pittsburgh Pirates Authentic Collection 59FIFTY Fitted cap features an allover black fabrication with a yellow embroidered Pirates logo at the front panels and an embroidered MLB Batterman at the rear.
Pittsburgh Pirates New Era Alternate 3 Authentic Collection On-Field 59FIFTY Fitted Hat - Black
A history of Penguins and 'Pittsburgh gold,' together since 1980
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Why are all Pittsburgh teams black and yellow? - Quora