Injuries make the NFL a brutal sport. But the violence is partly why fans love it
Hate in sports: dangerous and cyclical - The Georgetown Voice
Violence and the N.F.L. - The New York Times
Is the NFL too violent to continue as a mainstream sport? - Quora
Violence at high school football games a nationwide issue amid referee shortage - Sports Illustrated High School News, Analysis and More
Why do sports sometimes spur violence among rival fans?
What's buhurt? Medieval combat sport with armor, swords, axes - Los Angeles Times
Is the NFL too violent to continue as a mainstream sport? - Quora
Raiders Fans Most Disrespected in American Sports – Rolling Stone
Region football game suspended after threat of violence
Football and the NFL Are Facing White Flight - The Atlantic
The UFC's big bet to keep fighters fighting
The ESPN Daily podcast -- How to listen, episode guide and more - ESPN
Football Related Brain Injuries Lead to Long-term Issues
Opinion College Football Is Here. But What Are We Really Cheering? - The New York Times