Tom Brady's future: Will NFL legend and seven-time Super Bowl champion retire after 23 seasons? - BBC Sport
A's announce date to retire former ace Dave Stewart's No. 34
Steelers retire Franco Harris' No. 32, honor his memory with comeback win over Raiders
Luckiest guy' Nassib announces NFL retirement : r/nfl
Retired number - Wikipedia
Greatest NFL Player at Every Jersey Number, 00 to 99
PFT] The Cowboys don't retire numbers. They've re-issued Tony Romo's No. 9 after only four years. : r/nfl
100 Days of 100 Jersey Numbers - 42
Which other legendary Pittsburgh Steelers numbers should be retired?
Why Lakers should only retire No. 23, not No. 6 for LeBron James
WATCH: Harris jersey retirement
Bears won't retire any more numbers after Mike Ditka's