The study analyzes the revenue streams that legal sports betting could generate for both professional leagues: revenue as a result of spending from betting operators on advertising, data and sponsorship, and revenue generated as a result of increased consumption of the leagues' media and products.

According to Nielsen Sports, greater fan engagement and viewership could boost the two leagues' total annual revenue from media rights, sponsorships, merchandise and ticket sales, producing $952 million for MLB and $425 million for the NBA from increased consumption of the leagues' products.

"The four major sports leagues will earn a collective $4.2 billion from widely available legal sports betting, further proving that working together with the gaming industry will pay dividends for all sports stakeholders," said Sara Slane, senior vice president of public affairs for the American Gaming Association. "Legal sports betting will also create substantial opportunities for state and local economies, generating tax revenue, jobs and supporting small businesses across the country."

AGA recently released revenue projections for the NFL and NHL, showing that those leagues and teams stand to gain $2.3 billion and $216 million, respectively, from widely available, legal, regulated sports betting.

Today's research shows that legal sports betting could help generate additional revenues of $160 million for the NBA and $154 million for MLB as a result of spending by betting operators and data providers. The study projects that gaming operators may spend $64 million on MLB advertising and $57 million on the NBA – which may directly increase the leagues' rights fees by the same amount. Sponsorship revenues from gaming operators would provide an additional $78 million for the NBA and $62 million for MLB. The NBA and MLB are also projected to earn $25 million and $28 millionfrom data rights, respectively.

To quantify the value of a legal sports betting market to the NBA and MLB, Nielsen Sports surveyed more than 1,000 adult sports fans – including NBA and MLB fans – and self-identified sports bettors nationwide to model how a national, legal sports betting market would affect the sports consumption habits of non-bettors, casual bettors and avid bettors, and how this change in consumption would translate to increased revenue. 

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