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About Casey Sully

Casey Sully has an M.A. in Sport Management, writes, narrates, and produces all of the NFL Film Breakdowns on YouTube and here on weeklyspiral.com, and is a varsity football offensive coordinator and quarterback coach at Tamalpais High School in California. He enjoys diving into the schemes, strategies, and nuances of the offensive game. His weekly NFL Film Breakdowns analyze All-22 coaches film and give insight into why certain plays and players are successful or are struggling.

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April 5, 2021

Disk Concept

The Disk concept is very similar to the Stick concept and is popular in the Shanahan offense. It is used...

March 29, 2021

Bow Concept

The Bow Concept is a play that’s utilized by the Shanahan and McVay trees. It stems from the Arrow concept...

March 22, 2021

Yankee Concept

The Yankee concept is a two-man route concept that is primarily used out of run-heavy formations to attack single-high safety...

March 15, 2021

Mesh Concept

The Mesh concept is a classic man-beater that creates rubs and picks as players run across the field. While primarily...