The NFL announced an amended helmet-hit rule in March to help increase player safety, but the league may have inadvertently created a new headache for its players.
Eagles linebacker Nigel Bradham explained how he and some of teammates felt underwhelmed by a presentation about the rule by NFL referees.
"We were trying to ask questions to get a better understanding, and yet they couldn't really give us an answer," Bradham said, per ESPN.com's Tim McManus. "They couldn't give us what we were looking for."
This article will be updated to provide more information on this story as it becomes available.