Why do American football players/fans defend high injury risk tackles on the basis of thinking the sport has become soft? - Quora
A History of Fatal Sports Fan Violence
Reviews: League of Denial: The NFL's Concussion Crisis - IMDb
A quietly escalating issue for NFL: Fan violence and how to contain it - The Washington Post
In Argentina, Violence Is Part of the Soccer Culture - The New York Times
Chandler Zavala injury update: Panthers lineman continues to improve
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Beautiful. Violent. American. The N.F.L. at 100. - The New York Times
30 years ago, the Kremlin crushed a parliamentary uprising, leading to strong presidential rule
2023 NFL minicamp storylines: How are rookie QBs progressing? - ESPN
Injuries make the NFL a brutal sport. But the violence is partly why fans love it