Quarterback Bubby Brister wore #6 for the Steelers.
In 1999, Steelers quarterback Kordell Stewart wore #10.
Terry Bradshaw was the most popular and most successful quarterback to wear number 12 for the Steelers. He wore it from 1970 to 1983.
That was Pete Gonzalez, a backup in 1998 and 1999 for the Steelers.
Ernie Pough wore number 22 in 1976 for the Pittsburgh Steelers.
Backup quarterback Cliff Stoudt wore the number during his career with Pittsburgh (1977-1983). Interestingly, Stoudt won two Super Bowl rings before he ever played a down for the Steelers.
Dezmond Sherrod wore number 84 for the Pittsburgh Steelers in 2008. There were no Steelers wearing that number from 2000-2007.
There was no player on the Steelers that wore the number 8 in 1975.