Playbooks

Breakdown

Cover 3 Sky is a zone coverage call out of the Nickel 2-4-5 personnel that drops three deep defenders and rolls the strong safety down into the box as the extra run support and short zone defender, which is the "Sky" tag. The two outside cornerbacks and the deep safety carry vertical thirds while the two underneath defenders on each side of the formation squat on the intermediate hooks and curl-to-flat zones, forming a classic three deep, four under shell. This is a zone beater against horizontal route combinations and is designed to funnel throws to the middle of the field where the underneath defenders can close on curls and drags before the deep thirds erase anything over the top.

Defensive Reads

Watch for trips or bunch formations that overload one side, since the flat defender on that side can get outleveraged by two receivers releasing to the same zone. Identify play-action rollouts early, as the underneath zone defenders need to stay patient and not bite on run fakes or the strong safety will vacate his run support responsibility. Look for seam routes from the slot receiver attacking the void between the deep safety and the hook defender, this is the primary soft spot in Cover 3 Sky. Man beater route combos like drag and wheel from the same side can stress the flat defender if he does not read his keys quickly enough post-snap. If the offense is running four verticals, trust the deep third defenders to stay on top and force the ball to be thrown into tight windows rather than jumping any single route.

Usage Tips

Call this on early downs or second and medium when you expect the offense to test the middle of the field with drag or curl combinations.

Key the strong safety alignment pre-snap, if he is showing up near the line of scrimmage the Sky rotation is already tipped so disguise it by aligning him deeper before the snap to bait quarterbacks into believing it is a two high shell.

Use the flat defenders to squeeze shallow crossers and speed outs, then trust your deep thirds to stay disciplined on go routes and post routes instead of jumping underneath throws.

Pair this call with Cover 3 Cloud or Cover 3 Match in the same set so quarterbacks cannot key one specific rotation, since all three look identical before the snap but attack different route combos.

Bring pressure sparingly with this shell since the underneath defenders are already occupied in zone drops, so let the front four win with a standard four man rush rather than dialing up extra blitzers.

Other Plays in 2-4