4 Observations: Bills win preseason opener
CPR instructor: Quick action saved Damar Hamlin's life
Colts QB Richardson struggles; Bills safety Hamlin shines in
Hamlin shines for the Bills in return while Richardson is shaky
Hamlin grateful to be back on field
Bills' safety shines in heralded return
Damar Hamlin makes early impact in Bills' preseason game
Bills' Hamlin plays in first game after going into cardiac arrest
Bills safety Damar Hamlin preparing for first preseason game since
Bills' Damar Hamlin's cardiac arrest adds to NFL injury reality