BSJ Classroom: Primer on the Patriots' passing offense taken at BSJ Headquarters (BSJ Classroom)

(John Tlumacki/The Boston Globe via Getty Images)

Of the course of my writing career, I've been able to learn from some of the best in the game during one-on-one discussions, film review and coaching clinics. I've been behind the scenes with the Texans as they gameplan for an opponent, watched film with the likes of Bill Belichick, Bill O'Brien, Paul Alexander, Jim McNally, Bob Wylie, Rod Rust, Ron Jaworski, Greg Cosell and a host of others. I've just tried to be a sponge and accumulate any insight they've shared, and then I've tried to pass it on to my readers.

In this series, I'll try to answer questions BSJ members have about certain things they don't understand about football — from the simple to the complex.

First installment: An overview of the Patriots' complex passing offense. From there, we'll dive into each part more extensively:

The Patriots' passing offense, if executed correctly, is almost unstoppable in the hands of a quarterback like Tom Brady.

“I’ve played in a lot of different offenses,” well-traveled quarterback Brian Hoyer told me in Houston between stints with New England. “(The Patriots’) system is a hybrid of all of them. It’s very intricate, but if you have guys who can do it well, it’s the best. And if, in that offense, you have the best QB ever to play the game? Well.... ”

An enormous amount falls on the quarterback's shoulders. It starts with the “alert” system, in which most play calls are essentially two-in-one. There’s the original call, plus an alternate that gets put into motion if the defense aligns a certain way. Brady yells, “Alert!” to make the switch. In New England there are also “look” passes: run plays that are converted to quick dump-offs, should Brady see a corner playing well off a receiver. (Most offenses now include some form of this — some even dress it up with the fancy RPO moniker, run-pass option.)

But what truly separates the Patriots’ system is the extensive combination of receiver route adjustments, based on the defense or a defender’s positioning, that all pass catchers have to know. Most offenses include a few options routes. New England’s offense is built on them.

“At times, there are four decisions that a receiver needs to make after the snap,” said Patriots receivers coach Chad O’Shea. “That’s one advantage of our offense: We give players the flexibility to take what the defense gives.”

Why is it so complex to some players who have flamed out?

On most plays, every eligible receiver is expected to be able to see what the quarterback sees and adjust his route, depending on the defense. Here’s a rundown of the different types of route modifications New England runs:

ROUTE CONVERSION

If a play is designed for, say, a comeback route (or a hitch) and the defender is playing in press man instead of the anticipated zone coverage, a receiver might convert his route to a fade down the sideline.

SIGHT ADJUSTMENT

If a receiver recognizes his defender — usually a safety — is coming on a blitz, he’ll adjust his route. A vertical route might adjust to a slant, getting the receiver open more quickly in the void the safety just created. This is different from a hot route, which most teams use against edge blitzes.

CHOICE ROUTE

Referred to by some teams as a “two-way go,” this usually occurs with a tight end or outside receiver. In essence, if the defender plays you inside, you break outside. If there are two split safeties in the middle of the field (termed “middle of field open" — MOFO in the New England playbook), a receiver may split them; against one safety (“middle of the field closed,” or MOFC), the receiver would stay in the seam.

OPTION ROUTE

This almost always involves the slot receiver playing off the defense. Against a zone, for example, he’ll sit down for a short pass. Against man coverage, he could break right, left or go deep depending on the positioning and the skills of the man in coverage. For example, if the defender plays outside leverage (aligns on the outside shoulder of the receiver), the receiver would break inside.

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Charlie Weis


Ron Erhardt
Ray Perkins


Josh McDaniels




Coming tomorrow: Film breakdowns of individual parts of the passing offense.

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