Bills safety makes 'remarkable' comeback on field after cardiac arrest.

Damar Hamlin made a comeback seven months after suffering cardiac arrest during a January game.

Buffalo Bills safety Damar Hamlin returned to the football field on Saturday.

Hamlin made his debut in the Bills' preseason opener victory against the Indianapolis Colts.

Hamlin made a fourth-down tackle in the first quarter.

Hamlin played 24 snaps and recorded three tackles.

Hamlin said after the game that "It was fun, it was great fun, it was a great experience."

Hamlin suffered a heart attack in January during a game against the Cincinnati Bengals.

After the game, Bills head coach Sean McDermott said, "What we just saw is remarkable."