Sports world sends messages of support to Damar Hamlin following
Buffalo Bills football safety Damar Hamlin in critical condition
Buffalo Bills' Damar Hamlin in 'critical condition' after collapse
Bills safety Damar Hamlin remains in critical condition after
Damar Hamlin's condition shows improvement, Buffalo Bills say
Bills' say Hamlin suffered cardiac arrest after hit on field
Buffalo Bills' Damar Hamlin critical after chilling cardiac arrest on field
Bills safety Damar Hamlin in critical condition after suffering
Damar Hamlin updates: What we know about Bills' safety's condition
Bills safety Damar Hamlin in critical condition after collapse