Quarterback Progressions: How Reads Work
A quarterback does not throw to the open receiver by luck. Learn how progressions, pre-snap reads and defender-based reads decide where the ball goes, and why timing and footwork matter.
Watch a quarterback in the pocket for three seconds and you will see his eyes move. They go to one side, snap to another, settle for a moment, and then the ball leaves his hand. Fans often describe that as "finding the open man," as if the receiver simply appeared. In reality the quarterback made a decision long before the throw, and in many cases he decided before the ball was snapped.
The set of choices a quarterback works through on a pass play is called his progression, and the habits he uses to move through it are called his reads. This guide explains the vocabulary, the main types of reads, how footwork ties into the process, and the common reasons a quarterback struggles with it. It uses hypothetical examples throughout rather than particular players or games.
What a progression is
A progression is the order in which a quarterback looks at his receivers on a given play. A typical play might have him look first to a receiver running a short route, then to a second receiver farther downfield, then to a third option on the other side, and finally to a safety-valve running back if everything else is covered. If the first option is open, the ball goes there. If not, his eyes move to the second, and so on.
Each call in the playbook designs this order. When a coach installs a pass play, the receivers' routes are laid out so that the options are spread across the field at different depths. That spacing is what lets the quarterback move from one to the next in a fraction of a second.
Three terms come up constantly:
- First read: the receiver the play was designed to reach first. The quarterback looks there on his initial drop.
- Checkdown: the outlet receiver, often a running back or tight end near the line of scrimmage, who is the last option and the safe one.
- Progression: the full sequence from first read to checkdown.
Progressions are not infinite. The quarterback does not have time to look at five receivers, because pressure arrives quickly, so most plays are built around a short list of options, often two or three, with a clear path from one to the next.
Pre-snap reads: the work before the work
Many reads begin before the snap. At the line of scrimmage the quarterback looks at the defense and tries to answer a short list of questions:
- How many safeties are deep? One safety in the middle of the field often suggests a single-high look, which may mean man coverage or a zone like Cover 3. Two safeties deep often point toward Cover 2 or Cover 4 (also called quarters).
- Where are the linebackers? Players close to the line can mean a blitz. Players off the ball can mean a zone.
- How are the cornerbacks aligned? A corner pressed up on a receiver suggests man coverage or a jam. A corner several yards back suggests zone.
- Does anyone look like a blitzer? An extra defender near the line can be a pass rusher, which changes the time the quarterback has.
Defenses know this, which is why many try to disguise what they are doing. A defense can show two safeties deep before the snap and then rotate one down at the last second. A quarterback who reads the defense's initial look will be wrong when that happens, so good quarterbacks also read how the defense moves after the snap. Our article on disguising coverages covers how defenses try to fool the read.
A pre-snap read does not decide the play; it narrows it. A quarterback might tell himself, "If it is a two-high safety look, the middle of the field should be open; if it is one-high, I expect the sideline route to be open." Then he lets the defense confirm or deny the guess after the snap.
Types of reads
Quarterbacks and coaches talk about several kinds of reads. They are not mutually exclusive, and a single play can use more than one.
The progression read (receiver to receiver)
This is the standard model. The quarterback looks at a list of receivers in order and throws to the first one who is open. The order is typically designed to move from the deepest or most dangerous route to the underneath option, or from one side of the field to the other, depending on the play.
The defender read (key defender)
In a defender read, the quarterback does not look at receivers first. He watches a specific defender, often called the key or conflict defender, and decides where to throw based on what that defender does. The logic is simple. If the defender drops back, a receiver in front of him is open. If the defender steps forward, a receiver behind him is open.
Here is a hypothetical example. A play has a short route and a deeper route on the same side of the field, with one linebacker positioned between them. The quarterback watches the linebacker. If he sinks deeper to cover the long route, the quarterback throws the short one. If he steps up toward the short route, the quarterback throws over his head to the deeper one. The defender essentially tells the quarterback where the ball should go, and the quarterback does not need to guess.
Many concepts in the passing game are built this way. The ideas in our guide to passing concepts like Smash and Flood put two receivers at different levels against one defender so that the defender cannot cover both.
The half-field read
Some plays divide the field in half. The quarterback reads one side first. If nothing is open, he moves to the other. This simplifies the decision because he is processing only half the field at a time, and it often goes with a play that places two or three routes on each side.
The high-low read
A high-low read stretches a defender vertically. One receiver runs a deeper route, another runs a shorter route at the same side, and the defender in the middle has to choose. The quarterback reads that defender: if he goes deep, throw short; if he comes up, throw deep. This is the basic version of the defender read described above, and it appears in the playbooks of nearly every level of football.
The one-read throw
Some plays are designed so that the quarterback decides before the snap where the ball is going. This happens with screens, with quick passes when the defense shows a favorable look, and with plays where the quarterback has a particular matchup that he wants to exploit. A one-read throw is not lazy. It is a decision made early, with the rest of the play serving as a decoy. Our article on the screen pass is a good example of a play that works this way.
Sight adjustments and hot routes
Sometimes the defense does something that makes the planned play bad. A common case is a blitz, where extra defenders rush the passer and the quarterback has less time. To handle that, offenses build in sight adjustments and hot routes.
- A hot route is a change to a receiver's route when the quarterback sees the blitz. A receiver who was running a deep route might turn to a quick slant, because the quarterback needs a fast throw.
- A sight adjustment is a pre-planned change that receivers make on their own when they see the same thing. If the receiver sees the blitz, he knows to turn his route in a particular direction without the quarterback calling a new play.
For this to work, the quarterback and receiver need to see the same thing. That is why teams spend so much time in practice on repetitions with the same people. A hot route only helps if the receiver and the quarterback agree about which defender is the problem.
Footwork and timing: the reads are tied to the feet
A progression is not only visual. It is tied to the drop the quarterback takes, meaning how many steps he takes from the center to the pocket and how those steps match the routes.
Three typical drops are:
| Drop | Steps | Typical use |
|---|---|---|
| Three-step | Short and quick | Quick throws, slants, hitches |
| Five-step | Medium | Intermediate routes, outs, curls |
| Seven-step | Long | Deep routes and developing plays |
The idea is that the quarterback's last step should land at the time the receiver breaks. If the quarterback is late, the throw is late; if he is early, he is waiting on the receiver. In a well-designed play the timing of the route, the drop and the quarterback's eyes are linked: the quarterback hits the last step of his drop, hitches or plants, and throws.
Many coaches teach the quarterback to move his eyes in step with his feet. On a five-step drop, for example, he might look at his first read on the third step, move to his second read on the fourth and finish with a decision by the fifth. The details vary by coach and by offense, so treat this as an illustration rather than a universal rule.
A related idea is the pocket. The quarterback's job is to stay in a space created by his blockers, and to move within it. Subtle movement, such as stepping up to avoid a defender coming around the edge or sliding to find a passing lane, lets him keep reading without breaking his base. Our article on pass protection schemes shows how the line creates that space.
A hypothetical play, step by step
Imagine a pass play with three routes: a quick hitch on the left, a deeper out route on the right, and a running back who leaves the backfield into the flat as the safety valve. This is an invented example, but the pattern is common.
Before the snap, the quarterback sees two safeties deep and a cornerback standing five yards off the right-side receiver. He tells himself the out route should be there if the corner stays soft. At the snap he takes a five-step drop. On the first step he glances left at the hitch and sees a linebacker already sliding over to take it away. His eyes move right on the third step, where the corner has not moved. The out route is open, so the ball goes there on the fifth step, just as the receiver breaks toward the sideline.
Now change one detail: the corner jumps the out route. The quarterback's eyes finish the circle back to the running back, who has found space in the flat. The throw is shorter and less exciting, but the drive stays alive. Nothing in either version was luck. The routes created the options, the footwork set the clock and the quarterback's eyes moved through them in order.
What changes at different levels
The basic ideas are the same at every level, but the amount a quarterback is asked to process differs.
- Youth and middle school: Plays are usually simple with one or two reads. The focus is on throwing mechanics, a smooth drop and learning to recognize open space.
- High school: Playbooks often include several progressions, especially in passing offenses. The speed of the game is slower than college, and many defenses use basic coverages, so a quarterback with sound habits can have success.
- College: Defenses are faster and more varied, and quarterbacks are asked to make pre-snap and post-snap decisions. Offenses may use tempo, which gives the quarterback less time to think.
- NFL: Defenses disguise more and rotate coverages after the snap, and pass rushers are quicker. A quarterback must process information quickly and change his read in mid-play.
None of these levels is a rule; they are broad descriptions. A high school team running a sophisticated offense can ask more of its quarterback than a college team running a simple one.
Common reasons progressions break down
A quarterback who struggles with reads is not always a poor decision-maker. Common causes include:
- Staring down the first read. Looking at one receiver the whole way tells the defense where the ball is going. A defender who watches the quarterback's eyes can jump the route.
- Pressure. When the pocket collapses, the quarterback can no longer finish the progression and has to throw early, throw away or run.
- Poor protection or timing. If the blockers lose their assignments, the play does not have time to develop.
- Wrong pre-snap assumption. If the defense disguises its coverage, a read built on the pre-snap picture can be wrong.
- Receiver errors. A receiver who runs the wrong depth or breaks off a route changes the picture, and the quarterback's read becomes meaningless.
- Too much information. A quarterback who tries to read everything often reads nothing. Good coaches simplify the process and give him a few keys.
How to watch it yourself
If you want to see progressions on television, do not follow the ball after the snap. Watch the quarterback's head and shoulders. Notice where his eyes go on the drop and whether he looks off a defender. When a throw is made, ask which receiver it was designed for. Often it was not the first read, and the quarterback worked through two or three.
You can also look at passing numbers on our leaders page and compare quarterbacks' stats with the scouting descriptions of their style. A quarterback who gets rid of the ball quickly is often working through short progressions; one who holds it longer may be running a more complex scheme. Numbers alone never tell the whole story, but they can prompt useful questions.
To see how a team's quarterback fits into the rest of the roster, browse our teams and players pages, and keep an eye on the injury report, because a change at quarterback or on the offensive line changes how long the progression has to work.
The short version
- A progression is the planned order in which a quarterback looks at his receivers.
- Pre-snap reads narrow the options; post-snap reads confirm or change them.
- Defender reads let a key defender dictate where the ball goes, and high-low and half-field reads simplify the decision.
- Hot routes and sight adjustments help the offense respond to a blitz.
- Footwork, drop depth and timing are tied to the reads.
- Staring down a receiver, pressure and wrong assumptions are common reasons a progression breaks down.
- Complexity varies by level, so judge a quarterback by what his offense asks of him.