Steelers Throwback Thursday: Steelers' history in the NFL/AFL Merger - Steel City Underground
Ben Roethlisberger retiring might equate to the return to block numbers - Behind the Steel Curtain
Pittsburgh Steelers will have new throwbacks for 2018 season – SportsLogos.Net News
Steelers To Wear Throwback Uniforms Against Raiders To Celebrate 50th Anniversary Of Immaculate Reception – SportsLogos.Net News
Colin Dunlap on Twitter: "The Pittsburgh Steelers do so much right. An iconic brand and franchise w an incredibly rich history. That said, it boggles my mind they get something so big,
A brief history on the evolution of Pittsburgh Steelers uniforms