Panthers linemen hope new helmet padding helps reduce concussion risk
NFL players wear Guardian Caps to reduce head trauma during training camp
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Cowboys 90-man roster, projected depth chart as 2023 training camp begins
Park High School football blazes safety trail with Guardian Caps
Broncos training camp rewind, Day 1: WR Trinity Benson's two touchdown catches highlight first practice – The Denver Post
Keeler: If Deion Sanders lands with CU Buffs, Colorado's top prep football players say they'd stay home, play for Coach Prime. “He's going to change a lot of kids' minds.”
Eagles players on Guardian Caps: 'We look a little goofy,' but all for safety