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1 agos 2013 año - NFL announces more rule changes
Descripción:
The leagues bans helmet to helmet hits outside of the tackle box to try to reduce high impact hits to the head.
Añadido al timeline:
How football has gotten where they are with concussions
By
Matthew LaPorte
23 nov 2017
0
0
499
fecha:
1 agos 2013 año
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