The science behind the football
How Much Momentum Does It Take to Stop a Running Back? - Scientific American
Ready for some football science?
Football Physics - Train your brain to win the game!
Physics in Football - EEWeb
The Hidden Game of Football
The Physics of Football: Discover the Science of Bone-Crunching Hits, Soaring Field Goals, and Awe-Inspiring Passes: Gay PhD, Timothy: 9780060826345: : Books
How to Deconstruct a Football Tackle With Physics