Cover 2 Defense: Teaching the Two-Deep Shell So Kids Play Fast

Every coach has lived through the same Friday night. You are in a good defense, your kids are flying around, and then the other team drops back and hits a post over the top for six. You look at the call sheet, you look at the safety, and you wonder what just happened. Most of the time what happened is simple. Your kids did not understand the coverage they were in. They knew the name of it, but they did not know their job inside of it. Cover 2 is one of the best coverages you can teach a high school defense, but only if you teach it so a sophomore can play it fast instead of thinking about it.

Cover 2 is a two deep, five under coverage. You have two safeties splitting the deep part of the field in half, and you have five defenders underneath handling everything short. It is sound against the run because you keep numbers in the box, and it is sound against most of what a high school offense throws at you, as long as your kids know where their help is and where their trouble is.

What Each Defender Actually Does

Start with the corners, because the corners are where Cover 2 goes wrong. Your corner is not a deep player in this coverage. He is a flat player with a jam. His job is to get his hands on the number one receiver, reroute him, and then sink and squeeze anything that comes into his flat. When corners try to carry receivers deep, they leave the flat wide open and run themselves out of the play. Teach the corner to be physical and short, not soft and deep.

The two safeties own the deep half of the field, each one taking his side. The key word for a safety is width. He has to stay on top of the deepest threat to his half, and he cannot get sucked up by play action or a crossing route underneath. The single biggest teaching point for a Cover 2 safety is that he would rather be a yard too deep than a yard too shallow, because the thing that beats this coverage is the ball over his head.

Underneath, your three linebackers and two corners split the short zones. The linebackers wall off the middle and carry vertical threats up the seam until the safety can take over. The seam is the soft spot in Cover 2, the window between the corner in the flat and the safety over the top, and a good offense will attack it all night. Your inside linebackers have to feel that route and get depth in their drops so the window stays covered. If your linebackers drop lazy, the seam is open, and the whole coverage falls apart.

Where Cover 2 Gets Beat

No coverage is perfect, and the fastest way to get your kids to trust Cover 2 is to be honest with them about where it is soft. Cover 2 has two holes. The first is the seam and the deep middle, because your two safeties are splitting the field and nobody truly owns the middle of it. The second is the flat to a smart route combination that holds the corner. When an offense floods one side with a flat route and a corner route, they are trying to make your corner choose. If he jumps the flat, they throw the corner over him. If he sinks for the corner, they throw the flat under him.

You do not fix those holes by adding a dozen checks. You fix them by teaching your corner to squeeze and your safety to stay wide, and by trusting your linebackers to get depth. If your system only works for your best players, it doesn't work, so build the coverage around your average corner and your average backer being in the right spot, not around one great athlete bailing you out.

How to Teach It This Week

Cover 2 does not take a full week to install. It takes clear jobs and a few good reps. Here is where to spend your practice time so your kids play it fast:

  • Corner jam and sink: Rep the corner getting hands on number one, rerouting him, and settling in the flat. No bailing deep. Do it every day until it is automatic.
  • Safety width drill: Put a receiver on a post and a receiver on a go and make the safety stay on top of both. Reward depth. Punish getting nosy on underneath routes.
  • Linebacker seam carry: Rep your inside backers dropping to depth and carrying the seam vertical. Show them the window and make them cover it.
  • Smoke and flat recognition: Teach the corner to trigger on the quick game so a smart offense cannot just throw the hitch in front of him all night.
  • Full shell versus routes on air: Run the whole coverage against a route tree with no rush so all seven cover defenders see how the zones fit together. Then add the rush.

Spend ten minutes a day on those pieces and your kids will stop guessing and start playing.

Make the Coverage Fit Your Defense

Cover 2 is not a whole new defense. It is a shell you can run out of the front you already play, which means you are not asking your kids to learn a new world. You are asking them to learn where the deep help is and where the soft spot is. That is a teachable thing, and it holds up on Friday night when your kids play fast instead of thinking.

If you want the coverage rules and the fits laid out so you can install it clean, the 34 Fit and Swarm Defensive Overview Book walks through how the coverage marries to the front, the 34 Swarm Blitz and Coverage Overview shows how to mix Cover 2 with pressure so you are not one dimensional, and the Digital Defensive Coordinator Workbook gives you the practice structure to teach it in a week. Teach it simple, teach it every day, and Cover 2 will take the top off the offense instead of the other way around. And when you are ready to put it on paper, the 34 Swarm Defensive Call Sheet gives you a numbered coverage menu, so Cover 2 becomes a number your kids already know.

Every coordinator needs a call sheet he can actually use on Friday night. Here's the one I use.