

AP
The NFL will use two roughing the passer penalties from the Packers-Vikings game as teaching tools this week.
The two roughing penalties in that game — one on Eric Kendricks and one on Clay Matthews — were correctly officiated, according to a league source. The technique of grabbing the passer from behind the leg or legs, scooping and pulling in an upward motion, is a foul.
NFL Senior Vice President of Officiating Al Riveron will share the two plays with teams this week to reiterate that the tactic is a foul.
Matthews and the Packers publicly have disagreed with referee Tony Corrente’s decision to penalize the Packers linebacker…