Was a 21st-round draft pick of the Philadelphia Eagles in 1958.
Became the youngest coach in the history of the AFL in 1969 at the age of 33.
Signed a four-year broadcast contract in 1994 for $32 million, more than any NFL player was making at the time.
Dislikes flying so much that he travels the country in the Madden Cruiser, an $800,000 fully equipped bus, complete with kitchen, queen bed, office and sauna (the vehicle is sponsored by Outback Steakhouse).
Has authored five books that have made the New York Times best-seller list.
Appeared in the music video for U2's "Stuck in a Moment You Can't Get Out Of."