Oklahoma native Denny Kellington revived Bills safety Damar Hamlin after collapse
I wonder if Denny is there doing his thing': Ex-Bill praises trainer who resuscitated Damar Hamlin
After Answered Prayers for Damar Hamlin, What's Next?
Buffalo Bills head coach praises 'hero' assistant for saving Damar Hamlin's life
Ex-Syracuse Trainer, Now with Buffalo, Gave Hamlin CPR On-Field
Damar Hamlin awake, off breathing tube, FaceTimed with Bills teammates
Buffalo Bills' head coach Sean McDermott hails Denny Kellington for saving Damar Hamlin's life
Damar Hamlin: Phoebe Schecter reacts to Buffalo Bills player's cardiac arrest and gives insight into the team's strength in adversity, NFL News
Bills trainer who gave CPR to Damar Hamlin gets NFL Most Valuable Player vote