List of best NFL players from Philadelphia evokes epic all-era roster
Greatest NFL Player at Every Jersey Number, 00 to 99
Best current NFL player for every jersey number from 1 to 50
Best current NFL player for every jersey number from 51-99
All-Time Greatest NFL Players By Jersey Numbers: 41-50, News, Scores, Highlights, Stats, and Rumors
Dominant Digits -- The 10 most popular jersey numbers among current NFL players - ESPN
Why NFL players were drawn to jersey No. 0 after its return - ESPN
Texas high schools now have the most active NFL players
Uniform number (American football) - Wikipedia