Buffalo Bills - 2021 Season Recap
Sean McDermott's rise from Andy Reid's 'butler' to Coach of the Year candidate - The Athletic
Bills counting on improved defense to better contain Chiefs
Proving ground: Bills' defense stands atop NFL, providing optimism for Leslie Frazier to get second head coaching chance
Regular Season Game 7 - Chiefs at Broncos (10-17-19) by Kansas City Chiefs - Issuu
Buffalo Bills - 2021 Season Recap
2021 AFC win-total projections: Browns win North; Steelers miss playoffs altogether
Sean McDermott's rise from Andy Reid's 'butler' to Coach of the Year candidate - The Athletic
A defensive mind How Bills DC Leslie Frazier crafted a modern NFL defense while staying true to his roots
Analysis: Leslie Frazier relies on Bills' front four and no blitzes to corral Chiefs