Incidental contact with the crown of the helmet would not be a penalty.

WSJ: NFL could eliminate tuck rule

Rick McKay, president of the Atlanta Falcons and competition committee head, said that incidental contact won't be a penalty under the new rule.

WSJ: Proposed NFL Rule Change Irks Hall-of-Famer Emmitt Smith

The Maple Leafs looked to have taken a 1-0 lead midway through the period, but a potential goal was called back due to incidental contact by Toronto's Leo Komarov on Anderson.

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