Which other legendary Pittsburgh Steelers numbers should be retired?
How many Pittsburgh Steelers players have had their jerseys retired? - AS USA
WATCH: Pittsburgh Steelers Retire Franco Harris's Number
The Ultimate Pittsburgh Steelers All-Time Team Roster - Sports Illustrated
124 Retired Pittsburgh Steelers Stock Photos, High-Res Pictures, and Images - Getty Images
Franco Harris Pittsburgh Steelers Majestic Threads Hall of Fame Retired Player Name & Number T-Shirt - Heather Black
Pittsburgh Steelers safety Troy Polamalu says he's retiring after 12 seasons, NFL
WVU Football to Retire No. 66 in Honor of Chuck Howley
Steelers retire Harris' No. 32