In 2018, the United States Supreme Court opened the floodgates for states to legalize betting on sports. Eager for revenue, almost forty states have done so. The result is the explosive growth of an industry dominated by companies like FanDuel and DraftKings. One out of every five American adults gambled on sports in 2023, amounting to $121 billion, more than they spent on movies and video games combined.

The rise of online sports gambling—the immediacy of betting with your phone, the ability of the companies to target users, the dynamic pricing and offers based on how good or bad of a gambler you are—has produced a public health crisis marked by addiction and far too many people, particularly young men, gambling more than they can afford to lose. Under intense lobbying from the gaming industry, states have created a system built around profit for sportsbooks, not the well-being of players.

In Losing Big: America's Dangerous Sports Gambling Boom (Columbia Global Reports, 2025), historian Jonathan D. Cohen lays out the astonishing emergence of online sports gambling, from sportsbook executives drafting legislation to an addicted gambler confessing their $300,000 losses. Sports gambling is here to stay, and the stakes could not be higher. Losing Big explains how this brewing crisis came to be, and how it can be addressed before new generations get hooked.

Paul Knepper covered the New York Knicks for Bleacher Report. His first book was The Knicks of the Nineties: Ewing, Oakley, Starks and the Brawlers That Almost Won It All. His next book, Moses Malone: The Life of a Basketball Prophet, will be out in the fall of 2025. You can reach Paul at [email protected] and follow him on Twitter @paulieknep.

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