Playbooks
Mtn HB Swing is a motion-based screen and swing concept out of Shotgun Wide Y Trips WK designed to get the halfback isolated in space against a slower defender. Pre-snap motion shifts the trips look and sets up a swing route to the flat with the outside receivers running clear-out routes to drag coverage away from the boundary. This is primarily a man beater that punishes linebackers and defensive ends in coverage, with the blocking scheme releasing the offensive line to get bodies on second-level defenders once the halfback catches the ball. The primary read progression starts with the halfback swing as the first option, then works to the underneath crosser if the flat is taken away by a flowing linebacker or a user spy.
Watch the linebacker assigned to the halfback out of the backfield, if he widens with the motion before the snap you are looking at man coverage and the swing route will be open in space. Key the flow of the second level defenders after the snap, aggressive blitzers who crash upfield leave the swing lane wide open for an easy pitch and catch. Identify Cover 3 or Cover 4 shells with safeties rotating late, these shells can rally fast to the flat and limit the swing to a minimal gain if the user flows quickly. Beware of a spy or a scraping mike linebacker sitting underneath, this is the primary counter that shuts down the swing read and forces the quarterback to hold the ball. Man coverage with no safety help over the top is the ideal defensive alignment to attack, since the trips motion creates natural separation against slower linebackers or defensive ends.
Use the pre-snap motion to identify man versus zone before the snap, if the defender follows the halfback across the formation you know you are facing man coverage and the swing will hit almost immediately.
Call this on early downs or third and short to attack aggressive defenses that key run based on the trips formation and shotgun alignment.
Hot route the backside receiver into a quick out or slant if you see a Cover 3 shell rolling hard to the trips side, this gives you a answer versus zone drops that flood the flat.
Pair this with Mtn TE Mid Screen and RPO Power Peek in the same set to keep defenders guessing between run action, screens, and the swing, forcing linebackers to hesitate on their run fits.
Avoid throwing into a spy or a linebacker sitting flat footed in the underneath zone, if the user controls the mike linebacker and stays disciplined this play loses most of its value.