Originally Posted by i82much
I think concussions have actually increased as a result of the rules to help offenses. Think about 20 years ago - how did you play coverage? You blanket your man down the field, jostling for position on the ball.
Now, they throw a flag for the slightest bit of contact. So how do you play coverage? You see a lot more zone, and you see a lot more coverage playing "off" of the receiver so you don't get the flag. So instead, what do you do? You wait for the exact instant the ball gets there and nail the guy. Result? More touchdowns, more flags, and more concussions.
Good Point! Zone defense is more prevalent now and that means the defenders get a running start to hit the receiver.