US Sports Football: The misunderstood Yet Powerful Run Scheme - Duo and San Francisco 49ers vs. Las Vegas Raiders 2026 Preseason

 

• By Coach Keith
 

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Duo may be one of the most misunderstood plays in football.  Many coaches identify it as an inside zone, but it is actually a gap scheme.  The rules, footwork, hand placement, and read of the running back are distinctly different than on a zone play.  

The teams that understand it best utilize a certain kind of formation structure that creates advantages and allows them to run the ball against what even appears to be a stacked box.

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NFL veteran offensive line coach Paul Alexander explains the duo and how it is different than inside zone in this video.  Alexander explains, “Most call it an INSIDE ZONE play… even many coaches and television analysts have it confused. But it’s not ZONE. It’s GAP.”’s GAP.” If you want to run gap schemes but are not comfortable with your linemen pulling, then Duo is the play for you.Why Duo?

While it may be misunderstood, it is an extremely valuable play for an offense to run the ball effectively.  Doug Socha, head coach at Keiser University explains why you should utilize the Duo play in this video.  Are you an RPO offense? Perfect!  You can utilize Duo in your RPO game.

There’s no one better to answer that question than long time NFL coach and offensive line guru, Jim McNally.  This is an especially good run against the 3-4 and under front which have increasingly been utilized by defenses.  McNally diagrams the play against both fronts and gives some technique coaching points in this video:

The best running teams are using it!

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It is used extensively in the NFL, but that does not mean it is complex. One of the best offenses in the NFL, the Baltimore Ravens, used it extensively last season because it fits their philosophy of being simple. The Pistol set with Lamar Jackson is a big part of the equation in creating the advantage.  Coach Alexander explains how it fits into the philosophy and strategy of the Ravens offense in this video.

If you are looking for that one play that can provide your offense simplicity, versatility, and an attitude, then the Duo play is worth researching further.

Best of luck as the re-opening of football nears!

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