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ON CHANGES TO BLOCKING BELOW THE WAIST
Blocking below the waist is now almost completely outlawed, a decision in the direction of player safety.
"The first requirement to block below the waist is that a player is stationary at the snap inside the tackle box," McDaid said. "Quarterbacks and running back almost always are in the tackle box. The tackle box goes all the way to the end line behind the offense. Depth doesn't matter. A wing back needs to get a piece of the tackle that's in the tackle box. Some part of the body needs to shade a part of the tackle to be considered in the tackle box.
"Tight ends can no longer legally block low under any circumstance. If you talk to coaches, this is a fairly big change for them. They'll have to scheme differently because of this rule change. Anyone split out wide can no longer block low under any circumstance. Anyone in motion, can not block low under any circumstance. Linemen, at their initial line surge, can block low against an opponent as long as it's not a clip."
Wham and seal blocks are outlawed outside of the tackle box.
"The only defenders that can block low are defensive linemen that are in the tackle box. If a defensive player is shading a tackle that’s in the tackle box, that defensive player is considered in the tackle. No other defender can block low in any circumstance. On a screen play or stretch play, a defender coming in and taking out the lead blocker by going low, that’s no longer part of the game. That defender cannot go low.”
ON TAUNTING
"Taunting during a touchdown run, we're now treating that as a live ball foul," McDaid said. "If a player taunts or holds the ball (out) at the 6-yard line, we're going to take the touchdown off the board and penalize the team form the 6-yard line. When we did that, there were two circumstances we didn't recognize form penalty enforcement. The intent is we're going to enforce like a personal foul. The two circumstances were -- receivers on a punt and the defense on a passing play. If we now have a live ball unsportsmanlike conduct foul ,it now gets enforced just like a personal foul. There was an inequity with the two situations."