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3-3-5 Defense

What is 3-3-5 Defense?

A defensive formation in football composed of three down linemen, three linebackers, and five defensive backs.

The 3-3-5 is also known as the 3-3-Stack and the Spread Defense. 

Sporting Charts explains 3-3-5 Defense

Rarely seen in the NFL, this defense was designed primarily to defeat the spread offense, and is used most widely in high school football and sometimes in college. The 3-3-5 defense takes advantage of the athleticism of a faster and smaller defense, making the formation more versatile, while providing a “stacked” core that makes down linemen and linebackers less vulnerable to blocking up front. A 3-3-5 defense usually plays a mix of coverages, but is weighted towards zone and less man, and uses a variety of blitz packages, helping to restrain running plays while also disrupting pass protection. The five defensive backs, three traditional and two hybrid safety/linebackers can provide extra pass rush and coverage.

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