Why Pittsburgh's teams all wear black and gold

Pirates unveil new City Connect uniforms

Why are all Pittsburgh teams black and yellow? - Quora

WHY ARE ALL PITTSBURGH TEAMS BLACK AND YELLOW? #fyp #pittsburgh #stee, steelers

Steelers need to follow the trend and announce alternate helmets

Steelers will wear Color Rush uniforms Sunday

USFL's Pittsburgh Maulers Unveil New Uniforms – SportsLogos.Net News

What's the Meaning Behind the Penguins' Colors and Name? - Wilkes-Barre/Scranton Penguins

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

Pitt basketball's black and gold jerseys receive mixed reviews

City of Pittsburgh sports teams' uniforms ranked second to Boston in ESPN.com's Uni Watch - Behind the Steel Curtain

Pittsburgh Steelers Women's Nike Team Nickname Short Sleeve Crop T-Shirt

USFL's Pittsburgh Maulers Change Colors To Black And Gold – SportsLogos.Net News

University of Iowa Issues Cease and Desist to Anyone Wearing Black Uniforms - Wide Right & Natty Lite

Stitches Men's Gold, Black Pittsburgh Pirates Cooperstown Collection V-Neck Team Color Jersey - Macy's