Buffalo Bills season ticket holder Russ Lyons, a former AED salesman, reached out to the team to see how he could help in the wake of Damar Hamlin's on-field cardiac arrest. Here he is at a game with friends who have gathered for more than 20 years to see the Bills play. (Photo courtesy of Russ Lyons)

Buffalo Bills season ticket holder Russ Lyons, a former AED salesman, reached out to the team to see how he could help in the wake of Damar Hamlin's on-field cardiac arrest. Here he is at a game with friends who have gathered for more than 20 years to see the Bills play. (Photo courtesy of Russ Lyons)

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The ripple effects of Damar Hamlin's cardiac arrest still strong a year later

Whenever Quentin Tomlin heads out to play high school football, his mother, Laura, knows one thing is for sure: The team won't take the field without access to an automated external defibrillator, or AED.