The number 3 (Damar Hamlin's jersey number) became a universal way to show support for him after his injury. (Claudio Schwarz/Unsplash / https://images.unsplash.com/photo-1570521076067-eedca0fff452?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&auto=format&fit=crop&w=687&q=80)

Many football fans probably hadn’t heard of Damar Hamlin before the Buffalo Bills defensive back suffered a cardiac arrest on the field during a game in Cincinnati last month.

Just ahead of Sunday’s Super Bowl, his story remains one of the most compelling of the football season.

In this special commentary, Pete Peterson talks about Hamlin’s love of the rough neighborhood of Pittsburgh where the 24-year-old grew up.