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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August 2, 2021

Cover 0 is an aggressive coverage that is usually tied to heavy blitz packages. It leaves zero deep defenders and

July 26, 2021

Cover 3 is a zone defense with corners and safeties protecting the deep thirds of the field. Each sideline is

July 19, 2021

Cover 2 is a zone coverage with two deep safeties protecting the deep halves of the field. The rest of

July 12, 2021

Cover 1 utilizes one free safety in the middle of the field with underneath defenders in man coverage. If not

July 5, 2021

Trap is an aggressive and quick hitting play with pulling linemen. Different from power and counter, it targets interior defenders

June 28, 2021

The Jet Sweep is a perimeter-attacking play that forces the defense to flow hard to pre-snap motion. It’s most often