Pittsburgh Pirates on Twitter: "Today's the debut of #Pirates alternate uniforms similar to the early 70's style complete with mustard gold cap. http://t.co/Mi0TOwZfzv" / Twitter
Leak appears to show Pirates' new City Connect alternate uniforms | Pittsburgh Post-Gazette
Nike MLB Official Alternate Replica Jersey Pittsburgh Pirates Black – Cap-Z Australia
Pirates unveil new alternate uniform for 2013
Pittsburgh Pirates Jerseys | Curbside Pickup Available at DICK'S
Pirates unveil new black alternate jersey with 'Pittsburgh' script from the 1990s