Blitz pickup assigns a back or tight end to an extra rusher. Learn the reads, communication and technique that protect the quarterback.

An audible lets the offense change its play before the snap after reading the defense. Learn what can change, how the call travels and why communication matters.

The NFL fined Dallas and New Orleans $500,000 each after joint practice fights. Here is what changed, what did not and what comes next.

The Stick concept uses a short settling route and a flat route to stretch one underneath defender. Learn the receiver assignments, quarterback read and coverage answers.

Trips formation places three eligible receivers on one side and one on the other. Learn the 3x1 structure, coverage stress, route answers and defensive checks.

The Smash concept pairs an outside hitch with an inside corner route to high-low a defender. Learn the quarterback read, coverage answers and common variations.

NFL preseason wins, losses and stats do not enter the regular season, but roster evaluation, roles and injuries still matter. Here is the full breakdown.

Seattle signed Trevon Diggs to a one-year deal. Here's the confirmed role, the health risk, and the evidence that will decide whether he starts.

Cover 4 divides the deep field into four quarters. Learn each defender's job, match rules, run support, strengths, weaknesses and how offenses attack it.

The West Coast offense uses precise timing, short throws, horizontal spacing and yards after the catch to control the ball. Learn its origins, mechanics and defensive answers.