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aug 1, 2013 - NFL announces more rule changes
Description:
The leagues bans helmet to helmet hits outside of the tackle box to try to reduce high impact hits to the head.
Added to timeline:
How football has gotten where they are with concussions
By
Matthew LaPorte
23 Nov 2017
0
0
494
Date:
aug 1, 2013
Now
~ 10 years ago
Images:
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