2021 Buffalo Bills schedule: Complete match-up information for 2021 NFL season
2021 Buffalo Bills season - Wikipedia
Josh Allen turnovers kill Bills in 22-16 overtime loss to Jets - Buffalo Rumblings
Patriots finalize their 2022 opponents
The Bills are still the team to beat in the AFC East, as they showed by dominating Miami
New York Jets: Previewing the Jets' opposition - Buffalo Bills - Gang Green Nation
Bills Opponents 2023: Complete Schedule for the Buffalo Bills 2023 Season
2021 NFL midseason report - What we've learned, questions and record projections for all 32 teams - ESPN
Bills' opponents set for 2021, with potential 17th game still to come
Bills playoff picture: Breaking down Buffalo's seeding scenarios in 2023 NFL bracket
Bills' opponents for 2023 season finalized
Simulating the 2021 NFL season - Projecting 285 games, biggest storylines and a Super Bowl winner - ESPN