Buffalo Bills athletic trainer, Oklahoma State alum announced as
Bills trainer Denny Kellington, who helped save Damar Hamlin
Famed NFL trainer Denny Kellington to be OSU graduation
Bills trainer who saved life of Damar Hamlin makes commencement
Athletic trainer explains effort to save Damar Hamlin's life
Bills trainer Denny Kellington, who helped save Damar Hamlin
Buffalo Bills trainer who saved Damar Hamlin's life talks
Buffalo Bills athletic trainer returns to OSU to deliver
Buffalo Bills trainer who saved Damar Hamlin's life has connection
Bills trainer who performed CPR on Damar Hamlin says he isn't a
Damar Hamlin back to practice after near-death collapse