The NFL’s new helmet rule has been confusing to say the least. The language of the rule is fairly clear, but as is always the case, implementation is a mess. Over the weekend, Raheem Mostert and Jeremiah Attaochu were involved in plays that raised questions. You can check out Deadspin’s list of every play where this rule was involved. Additionally, SB Nation has put together an in-depth explainer on the rule.
49ers head coach Kyle Shanahan has remain mystified by how the league is implementing the rule. The league is quick to fine players and coaches who criticize the referees, but his frustration seems to be in a gray area that is not resulting in discipline.