Pirates unveil 1979 throwback uniforms for Sunday games
Blank Pittsburgh Pirates Throwback Jersey
Pirates unveil baseball's freshest look with 1979 throwback
LOOK: Pirates' 1979 throwbacks are absolute fire
Blank Pittsburgh Pirates Throwback Jersey
Pirates party like it's 1979 with funky, fantastic throwback
Uni Watch's Friday Flashback -- The Pirates go back to their
When men were men, cards were cards, and food was uh, something
Jeff Katz – Page 12 – SABR's Baseball Cards Research Committee
Every bumblebee combination worn by the Pittsburgh Pirates
Do NFL teams wear new uniforms every game? - Quora