"The NFL continues to say they're trying to make the game a safer place for players and they've taken another step to do so. The latest change is that the NFL has voted to make blindside blocks illegal.From the NFL:To expand protection of the player being blocked, NFL owners voted to eliminate blindside blocks. One-third of all concussions on punts were caused by blindside blocks. With the rule change, any forcible contact by the blocker with his head, shoulder or forearm is prohibited.
The league also posted a video to help explain the rule change:
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