Guardian Cap debuts during minicamps in effort to reduce avoidable head contact
13 NFL teams introduce alternate helmet looks for 2022 season
NFL exec suggests Guardian Caps worn to protect players during practices could one day debut in games
Pittsburgh Steelers embrace physical side of football - Sports Illustrated
NFL hopes to reduce head injuries with helmet experiment
2017 NFL Season - 10 Tech Innovations That Changed the NFL
Jackpot! How to watch tonight's Pittsburgh Steelers vs. Las Vegas Raiders game on Sunday Night Football - CBS News
Spencer Anderson proving to Steelers he can pull off rare feat of playing all 5 OL spots
Xenith helmets take the field in the NFL
Football helmet - Wikipedia
Steelers offense continues to search for its identity during sluggish start
Steelers Training Camp Day 9: Offensive versatility, defensive physicality - A to Z Sports