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Jim Leonhard
Every story about Jim Leonhard, updated as news breaks.
What to know
- Leonhard was hired as Bills defensive coordinator after serving as Denver Broncos defensive passing game coordinator. Oct 12
- The Bills switched from a 4-3 to a base 3-4 defense under Leonhard’s leadership. Oct 12
- Jim Leonhard joins the Bills after two seasons with the Denver Broncos as assistant head coach and defensive pass game coordinator. Oct 12
- The new scheme replaces the previous 4‑3 defense and focuses on tightening missed tackles. Oct 12
Timeline
- Oct 12, 2026
- Oct 12, 2026

