Seattle Seahawks head coach Pete Carroll expressed his concerns with the NFL's new emphasis on curbing taunting throughout games.
Carroll told reporters the league "opened up a bit of a can of worms" by instructing referees to call more penalties for violations of the taunting rule.
"You've got a lot of guys that have to deal with those explosive moments and they've got to really turn their focus away from the opponent," he said. "It's a good thought. It's just hard to manage it."
This article will be updated to provide more information on this story as it becomes available.