Puffy, spongy Guardian Caps could help curb NFL head injuries
Guardian Caps debut at training camps throughout NFL
NFL offseason priorities for 2023: Possible rules changes, safety
NFL expands rule against misuse of helmet; Guardian Caps required
NFL players wear Guardian Caps to reduce head trauma during
EXPLAINER: NFL using helmet caps for player safety, research
How Irish are taking more safety measures when it comes to concussions
EXPLAINER: NFL using helmet caps for player safety, research
Guardian Caps: NFL requires use of helmet cover at training camps
NFL 2023 Season Guardian Caps Mandate Supported By 52% Concussion
Could Guardian Caps be used during NFL games for player safety
Could Guardian Caps be used during NFL games for player safety
Hundreds of warehouse workers to call in sick in
Concussions: Can cap keep football players' heads in game
From Purdy to Rodgers: the most important people in the new NFL