The 3‑3‑5 defense is currently employed by several college football programs, most notably Iowa State, West Virginia, Mississippi State, NC State, and TCU.
Iowa State’s signature stack
Iowa State, under defensive coordinator Jon Heacock, has refined the 3‑3‑5 into a high‑pressure, nickel‑heavy style that has stymied many Big 12 powerhouses. The front line stays thin while the linebackers and safeties flow into coverage or blitz, creating confusion for quarterbacks.
West Virginia’s early adoption
West Virginia was one of the first major programs to use the 3‑3‑5 in the 2000s. Under Tony Gibson, the Mountaineers used the extra defensive back to disguise blitzes and pressure the quarterback from multiple angles.
Mississippi State’s SEC adaptation
In 2023, Zach Arnett’s Mississippi State team showed that the 3‑3‑5 can compete in the SEC. By pairing a sharp defensive line with agile linebackers, the Bulldogs limited big‑ball plays and forced quick decisions from opponents.
NC State and TCU’s modern usage
Both NC State and TCU have recently leaned on the 3‑3‑5 to counter the spread offenses they face in the ACC and Big 12. The scheme allows them to keep more defensive backs on the field while still maintaining a solid box against the run.
Why teams choose the 3‑3‑5
Coaches favor the 3‑3‑5 for its speed, versatility, and ability to disguise blitzes. It keeps the defense in nickel coverage most of the time, making it harder for offenses to run the ball effectively while still providing coverage against the pass.
Key takeaways for coaches
- Maintain a strong, hybrid linebacker to anchor the middle of the field.
- Use the extra defensive back for both coverage and blitzing.
- Keep the defensive line disciplined to avoid gaps in the box.
- Adjust the scheme based on opponent personnel and game situation.