Damar Hamlin makes an early impact in returning to field in Bills' preseason game against Colts
Damar Hamlin's Bills teammates take CPR training as safety returns to practice
Bills safety Damar Hamlin is fully cleared to return to football in 2023
Buffalo Bills' Damar Hamlin critical after collapse on field - WHYY
How will Damar Hamlin incident affect teammates? - Los Angeles Times
Damar Hamlin cleared to resume football activities after January cardiac arrest, Nation & World News
Hamlin makes early impact in Bills preseason game v. Colts
NFL news 2023: Damar Hamlin opens up on cardiac arrest, Buffalo Bills, video, return to play
What is commotio cordis, which NFL player Damar Hamlin says stopped his heart?