1971 Columbia Football: The Cardiac Kids - Columbia University Athletics
The Top 10 Quarterbacks of All Time, News, Scores, Highlights, Stats, and Rumors
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Adjusting Passer Rating for Era: Updated 2019 Career Ratings
1971 NFL passing stats - Players
2023 NFL Honors: Who won the league's biggest awards? - ESPN
A Christmas Story: Remembering the Final Game at Municipal Stadium
NFL passing games struggled in least productive opening week in years
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Kurt Warner, Biography & Facts
1971 NFL passing stats - Players
Ranking top 25 players in NFL history: Dick Butkus has prominent place on league's all-time list