Stemming is a pre-snap motion for the defense but slanting and stunting is essentially a post snap motion for the defense. Slanting is taking the defensive line and moving them to a different position after the snap. Often accompanied by a blitz of some kind or at least sending a linebacker or defensive back while dropping a player on the front.

The Cincinnati Bengals defensive coordinator job has been open for more than two weeks now, but there hasn't been much movement on a possible hiring and now we know why: The team was waiting for Notre Dame to finish its season.