See where the Arizona Cardinals sit in the NFL fan base ranking

With another NFL season on the horizon, Nielsen — the market research firm known for its measurement of TV ratings — has dipped its feet into ranking the passion of NFL fan bases.

Nielsen’s methodology is based on eight metrics: apparel purchases, live attendance, linear TV viewership, streaming habits, radio listenership, betting intent, social media habits and general interest levels. It is not clear how the latter three categories were measured.