The National Football League is concerned about concussions, or more accurately the league is worried about the ramifications of concussions to their bottom line. The NFL owners essentially voted to make playing defense next to impossible. That’s because this new rule, could probably be called on just about any play.
New NFL rule: “It is a foul if a player lowers his head to imitate and make contact with his helmet against an opponent.” Player “may” be disqualified. Not targeting, per se, but strengthening of rule on hits with helmet.
The best way to prevent concussions isn’t through making a rule like this.