Rules you probably didn't know NFL players have to follow
Peter King: With Dumervil deal, sky isn't falling in Baltimore after all - Sports Illustrated
2013 NFL Owners Meetings: Tuck Rule Gone, Running Back Helmet-To-Helmet Contact Banned - Battle Red Blog
College football targeting: Read NCAA's rule to bust 4 myths - Banner Society
NFL retired players still have pending litigation against Riddell - Sports Illustrated
3 worst rules in NFL history and how they impacted results
NFL Reportedly Considering Abandoning Tuck Rule, News, Scores, Highlights, Stats, and Rumors
NFL Ends Tuck Rule, but Will They Still Drop the Ball on Quarterback Fumbles?, News, Scores, Highlights, Stats, and Rumors
NFL Crown-of-the-Helmet Rule: The End of Football as We Know It?, News, Scores, Highlights, Stats, and Rumors
NFL Crown-of-the-Helmet Rule: The End of Football as We Know It?, News, Scores, Highlights, Stats, and Rumors