NFL revenue: Why is football so successful?Last year, the NFL made around $13 billion in revenue! How can one sport be worth so much money?SI Staff|Share on FacebookShare on XAdd us on Last year, the NFL made around $13 billion in revenue! How can one sport be worth so much money?Published Jul 14, 2017 | Modified Jul 14, 2017SI STAFFShare on FacebookShare on XHome/NFL