Why did Damar Hamlin collapse?
After Further Review: How Did the Offense Get to This Point, and Where Do the Patriots Go From Here?
Bills win for Hamlin in regular-season finale, will host Dolphins in wild-card round
Buffalo Bills safety Damar Hamlin in critical condition after collapse on field
NFL Playoff Wild Card Results: Cowboys, Ravens, Giants, Bills, 49ers, and Jaguars Clinch Divisional Round Spot
Buffalo Bills safety Damar Hamlin collapses on field, gets CPR
Buffalo Bills' Damar Hamlin 'Suffered Cardiac Arrest' Playing Bengals
NFL player in critical condition after collapsing on field during primetime game
Josh Allen and Bills defeat Colts in NFL wild-card playoffs - Los Angeles Times
Bills add '13 Seconds' to history of heartbreaking losses
Bills advance to AFC championship with 17-3 win over Ravens – The Denver Post
Was Bills-Oilers Game in 1993 Greatest Rally, or Biggest Fade? - The New York Times
Bills driven to 'find a way' after latest playoff collapse