Buffalo Bills DC Jim Leonhard expects to unleash “disruptive” Ed Oliver

ORCHARD PARK, NEW YORK - AUGUST 09: Ed Oliver #91 of the Buffalo Bills reacts prior to an NFL Preseason 2025 game between New York Giants and Buffalo Bills at Highmark Stadium on August 09, 2025 in Orchard Park, New York. (Photo by Bryan Bennett/Getty Images) | Getty Images Entering the 2026 season, the Buffalo Bills will have a new defensive coordinator at the helm of the team’s transition toward building an attack-style 3-4 base defense. A former Bills safety himself, Jim Leonhard is back at