Syracuse football lineman Kyle Knapp 'crushed' after learning career is over because of concussions
NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
EXPLAINER: NFL using helmet caps for player safety, research
NFL's use of Guardian padded helmet caps in camp draws support and skepticism - The Athletic
As NFL mandates Guardian caps in practice, area high school football teams have been using them for years, Sports
NFL CMO Dr. Sills on Guardian Caps Mandate >> Guardian Sports
KTTC In-Depth: Guardian Caps in high school football
Guardian Cap: What are and why the NFL asks this safety measure in helmets
EXPLAINER: NFL using helmet caps for player safety, research
Guardian Cap Use a Concern for Watt, Saleh Early in Training Camp - Sports Illustrated
NFL 2023 Season Guardian Caps Mandate Supported By 52% Concussion Drop – Sports Techie
So what exactly is that black padding on the Syracuse football helmets seen during practice?
EXPLAINER: NFL using helmet caps for player safety, research