According to the 2010 Brand Keys Sports Loyalty Index, the NFL and MLB have the most loyal fans followed by the NBA and the NHL. Fan loyalty is based off of four things:
MLB And NFL Have Most Loyal Fans
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↵- pure entertainment, or how well a team does, and how exciting they are;
↵- authenticity, or how well they play as a team, which can be helped by new venues and management;
↵- fan bonding, or the respect and admiration fans have for players; and
↵- history and tradition, meaning the role a team plays in a fan's and a community's rituals, institutions and beliefs.
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↵The two most popular leagues have the most loyal fans. Did I need a “Loyalty Index” to tell me that?
