For Miami's Jaylen Waddle, the NFL learning curve continues - The San Diego Union-Tribune
Jaguars guard A.J. Cann seeks improvement against Broncos
NFL, players union approve new QB helmet designed to help reduce concussions - Chicago Sun-Times
Biomechanics, Free Full-Text
N.F.L. Players' Union Weighs the Benefits and the Pitfalls of Helmet Sensors - The New York Times
NFL, union encouraged by helmet safety improvements
How New Helmet Technology Will Make the NFL and NHL Safer, News, Scores, Highlights, Stats, and Rumors
NFL and pain: Fleeting glory, bodies past repair
Player report cards of NFL facilities reveal jaw-dropping details about some teams — including Commanders
Helmet safety: Inside the complicated equipment industry - Sports Illustrated