Chiefs TE Travis Kelce thinks NFL's mandated 'Guardian Caps' are silly
Players to watch on Day 9 of Patriots training camp on Friday - Pats Pulpit
Guardian Cap: What are and why the NFL asks this safety measure in helmets
Guardian Cap debuts during minicamps in effort to reduce avoidable head contact
Patriots training camp 2023 preview: Bold predictions, breakout players and cut candidates – Boston Herald
NFL CMO Dr. Allen Sills explains importance of mandated guardian caps during training camp
Large Bubble Helmets Are Guardian Caps, NFL's New Safety Measure
Players to watch on the fourth day of Patriots training camp - Pats Pulpit
Guardian Caps debut at training camps throughout NFL
Leading observation from Patriots training camp? Mac Jones has become the leader of a fun bunch on offense - The Boston Globe
Arizona Cardinals defensive end J.J. Watt not fan of the new league-mandated Guardian Caps on helmets
No amount of rain could put a damper on outlook of Patriots quarterbacks Mac Jones, Bailey Zappe - The Boston Globe
3 things to watch during Friday's Patriots training camp practice - Pats Pulpit
NFL Training Camp: 12 photos of players wearing the new Guardian Caps
Guardian Caps: Why some NFL players are wearing them in training camps