alman i do that exact same thing from the cover 2 from time to time, its great cause you dont have too worry about the flats. sometimes i will even make it my run stopping play if they come out in a run formation just maybe throw a contain to the strong side. user the safety. i also use cover 3 as my base defense outa that formation. i will flip the play according too which side i want the blitzing LB too be and i will take him and either user him put him in flats purple or w/e.
my strong run stopping plays for any type of run is outa this formation too i do the zone monster 3, and the man one. not sure if its called monster 3 but its something moster Lol. very simple same setup as the cover 2 just dont really need too re blitz the mlbs.