Damar Hamlin timeline from injury to return to Bills - The San Diego Union-Tribune
Buffalo Bills safety Damar Hamlin collapses on field, gets CPR
What Happened to Damar Hamlin? What We Know After Bills Player Collapses, Suffers Cardiac Arrest On Field – NBC Chicago
NFL releases statement on Bills vs. Bengals game following Damar Hamlin injury - The Phinsider
Bills-Bengals won't resume this week; Hamlin had cardiac arrest - Los Angeles Times
Bills' Hamlin in critical condition after collapse on field
Damar Hamlin: Buffalo Bills player in critical condition but showing 'signs of improvement' as support offered to Tee Higgins, NFL News
Damar Hamlin, former Pitt and Central Catholic star, in critical condition after going into cardiac arrest during Bills-Bengals game
50) Damar Hamlin's collapse highlights longstanding debate on player safety in football
Bills' Damar Hamlin in critical condition after collapse on field
Bills' Damar Hamlin remains in critical condition after cardiac arrest
NFL player in 'critical condition' after suffering cardiac arrest during game