Buffalo Bills • Defensive Coordinator

Jim Leonhard

Jim Leonhard is listed as the Buffalo Bills Defensive Coordinator for the 2026 season.

Jim Leonhard, Defensive Coordinator
defenseDefensive Coordinator

Complete documented résumé

Career History

Buffalo BillsDefensive CoordinatorSource ↗
Denver BroncosAssistant head coach & pass game coordinatorSource ↗
Denver BroncosDefensive backs coach & pass game coordinatorSource ↗
WisconsinDefensive coordinator & defensive backs coachSource ↗

Every career stop and exact role reviewed

Defensive Résumé

Top Fantasy Defensive Units

Denver BroncosD/ST2025

D/ST2 (126 standard points) while the coach held the exact title “Assistant head coach & pass game coordinator.” Source ↗

Denver BroncosD/ST2024

D/ST1 (135 standard points) while the coach held the exact title “Defensive backs coach & pass game coordinator.” Source ↗

AP First-Team All-Pro Defensive Players

Zach AllenDL2025

2025: Associated Press first-team All-Pro at Interior lineman/Defensive tackle while the coach held the exact title “Assistant head coach & pass game coordinator.” Source ↗

Patrick Surtain IIDB2024

2024: Associated Press first-team All-Pro at Cornerback while the coach held the exact title “Defensive backs coach & pass game coordinator.” Source ↗

Historical ceiling signal

Fantasy Elevation Watch

Bills D/STD/ST

The team defense is the direct fantasy asset most aligned with this coordinator's documented history. Treat this as a ceiling signal, not a projection or guarantee.

Verified precedent: Best verified precedent: Denver Broncos finished D/ST1 (135 standard points) while the coach held the exact title “Defensive backs coach & pass game coordinator.” Source ↗
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