What is the Smash concept in NFL Flag?
In NFL Flag the smash bind is called Corner Curl, and it puts one defender in a position he cannot solve: Z drives to ten and hooks back inside while Y breaks to the corner over the top of him. The two routes break in opposite directions off the same stem, so whichever the deep defender takes, the other is open.
Why Smash works in NFL Flag
The curl is deeper here than the classic version
Most smash concepts hold the underneath defender with a hitch at about five. This one hooks at ten, which is deeper and slower and only works because the rush cap holds on a pass: at most two defenders may come, and from seven yards back. That protection is what buys a ten-yard curl the time to break back.
It is a late concept, so the clock decides whether you have it
A corner at fifteen and a curl at ten both need most of the seven seconds. If the quarterback is not ready to throw on time this becomes the play that ends with the clock expiring rather than with an incompletion, which is a worse outcome because it costs the down without testing the coverage.
Both routes break away from each other on purpose
The curl comes back inside and the corner goes outside, off the same side of the formation. That divergence is what makes the bind unsolvable rather than merely difficult, and it is why the concept does not need a third route to work. With four eligibles that economy matters more here than it does at eleven.
It puts one defender in an unwinnable position
Most concepts stretch a zone. This one isolates a single man and gives him two responsibilities eight yards apart vertically. There is no technique that covers both, so the completion is available on every snap regardless of who is playing.
The quarterback reads a defender, never a receiver
Watching receivers get open is how young quarterbacks hold the ball. Smash removes the question: pick the flat defender before the snap, watch only him, and throw opposite whatever he does. It is the cleanest single-defender read in the passing game.
It is the best red-zone version of itself
Inside the twenty the field is short and the corner route becomes a throw to the back pylon rather than a deep shot, which is easier. The same call that produces twelve yards at midfield produces a touchdown from the fifteen.
How to read it
- 1
Identify the flat defender before the snap
The defender responsible for the short outside area on the side you are throwing to. Everything in this concept is about him, so know which body he is before the ball moves.
- 2
If he stays low, throw the corner
A defender who sits on the hitch has left the space over the top of himself. Put the ball outside and up, toward the sideline rather than the middle, so only your receiver can get it.
- 3
If he opens and runs, throw the hitch
The moment he turns to carry the corner route the underneath receiver is uncovered. This is the throw the concept produces most often, and taking it every time it appears is what makes the corner route available later.
What changes in NFL Flag
The curl is deeper here than the classic version
Most smash concepts hold the underneath defender with a hitch at about five. This one hooks at ten, which is deeper and slower and only works because the rush cap holds on a pass: at most two defenders may come, and from seven yards back. That protection is what buys a ten-yard curl the time to break back.
It is a late concept, so the clock decides whether you have it
A corner at fifteen and a curl at ten both need most of the seven seconds. If the quarterback is not ready to throw on time this becomes the play that ends with the clock expiring rather than with an incompletion, which is a worse outcome because it costs the down without testing the coverage.
Both routes break away from each other on purpose
The curl comes back inside and the corner goes outside, off the same side of the formation. That divergence is what makes the bind unsolvable rather than merely difficult, and it is why the concept does not need a third route to work. With four eligibles that economy matters more here than it does at eleven.
When not to call Smash
A defense that plays two deep to your side takes the corner away
The corner route needs the space between the flat defender and whoever is over the top. Roll a second deep defender to that side and the route runs into coverage. When that happens the hitch is the play and there is no shame in it.
It is a half-field concept with a slow backside
Everything of value is on one side. If the read is covered the quarterback is starting over rather than progressing, which is why this concept wants a defined backside answer and a clock in the quarterback's head.
Take it to your team
Draw your plays in the football playmaker, collect them in the free playbook maker, and print football play cards so every player knows them come Saturday.
Open Smash in the designer
Opens this exact NFL Flag diagram. Move anybody, change the depths, then save it to your playbook.
Open this play in the designerRelated questions
Why is the curl at ten instead of five?
What if the defense plays two deep?
Is seven seconds really enough for this?
Related guides
Coach Ray Carroll
Coaches 5v5 flag football from kindergarten through 7th grade in San Mateo and San Carlos, California, and built RC Football to design, teach and print the plays his own teams run.