Playbooks

Sluggo Seam lines up out of Singleback Doubles with 11 personnel and shows a three-receiver route concept designed to attack man coverage vertically. The outside receiver runs a sluggo (slant and go) to break off the cornerback's jam, the inside receiver in the diagram runs a seam route straight up the hash, and the third receiver runs an angle route out of the backfield or slot to the flat as a checkdown and man beater against linebackers who bite on the vertical routes. The primary read progression starts with the sluggo, since the double move is designed to bait an aggressive corner in man coverage, then works to the seam if the safety rotates away, and finally to the underneath angle route if both verticals are covered downfield.
Watch the cornerback's initial reaction to the slant portion of the sluggo route, if he jumps it aggressively in man coverage the receiver will separate on the go phase and you must get the ball out before the safety can recover. Key the free safety's pre-snap alignment, if he is shaded to one side of the field the seam route on the opposite hash becomes the higher value throw. Identify zone drops post-snap from linebackers, if the underneath zone defenders sink deep to take away the seam, the angle route out of the backfield will be open for an easy checkdown. Beware of user-controlled safeties sitting in a lurk position over the middle of the field, since they can rob the seam route if the quarterback stares it down too long. This concept struggles against press man with immediate safety help over the top or against cover 2 shells where the corner can sit on the sluggo and the safety caps the seam.
Look for man coverage indicators pre-snap such as corners lined up tight on receivers with no safety help rotating over the top before calling this play.
Use the sluggo route as your primary hot read against man coverage since the double move creates natural separation once the defender commits to the initial slant.
Check the seam route against single high safety looks like cover 1 or cover 3, since the seam threatens the deep middle void if the free safety cheats toward either sideline.
Pair this play with Four Verticals or Slot Seam earlier in a drive so defenses start expecting standard vertical stems, then dial up Sluggo Seam to punish corners jumping the slant portion of the route.
Best called on second and medium to third and long situations where defenses are more likely to play man coverage with a blitz package behind it.