Everybody take a breath. The new helmet rule will not ruin the NFL - The Boston Globe
Ready or not: NFL's new helmet rule will leave players, refs, and fans scratching their heads
New NFL rules: Crown-of-helmet change to help runner, defender
Report: NFL Changes Lowering-of-Helmet Rule After Having Trouble Fining Players | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
/cdn.vox-cdn.com/uploads/chorus_image/image/59179885/611984296.jpg.0.jpg "NFL helmet rule: What is the new rule and why is it so controversial? - SBNation.com")
NFL helmet rule: What is the new rule and why is it so controversial? - SBNation.com
/cdn.vox-cdn.com/uploads/chorus_image/image/69500910/1272300139.0.jpg "Bengals Twitter reactions to NFL helmet rule change - Cincy Jungle")
Bengals Twitter reactions to NFL helmet rule change - Cincy Jungle
NFL hasn't changed its one-helmet rule - ProFootballTalk
Eight throwback helmets we're excited to see after the NFL's latest rule change | Sporting News Canada
Helmet-to-helmet collision - Wikipedia
Explaining NFL's new helmet rule: FAQs about league's 'culture change' | Sporting News
Helmet-to-Helmet Hits in N.F.L. Haven't Diminished, but Penalty Flags Have - The New York Times
/cdn.vox-cdn.com/uploads/chorus_asset/file/18965394/904352610.jpg.jpg "Everything you need to know about the NFL's helmet guidelines and restrictions - Canal Street Chronicles")
Everything you need to know about the NFL's helmet guidelines and restrictions - Canal Street Chronicles
NFL helmet rule: Players shouldn't panic about penalties
Large Bubble Helmets Are Guardian Caps, NFL's New Safety Measure
With Eye on Concussions, NFL Adopts New Rule on Helmet Hits | FRONTLINE
What you need to know about the NFL's new helmet rule - The Boston Globe
NFL helmet lower rule: Explanation of new regulations - Sports Illustrated
Potential NFL Helmet Rule Change — UNISWAG
Helmet Rule Change: NFL's Next Step Toward Player Safety
NFL's new, stricter helmet rule noble in spirit, futile in practice - The San Diego Union-Tribune
NFL's new helmet rule drawing plenty of ire
NFL scraps one-helmet rule, allowing throwback colors - The Athletic
The NFL's new helmet rule, explained in a 3-minute read - SBNation.com
