The $170 Billion Boom: How the Market Exploded

In May 2018, the Supreme Court’s Murphy v. National Collegiate Athletic Association decision struck down the Professional and Amateur Sports Protection Act (PASPA), clearing the way for states to legalize sports betting. Since then, 38 states and Washington, D.C., have launched legal markets, generating a record $169.6 billion in handle (total wagering) in 2024, per the American Gaming Association.

Revenue from sports betting alone—after taking out the house cut—reached $12.5 billion in 2024, up from just $2.5 billion in 2018. The NFL remains the top draw, accounting for 30% of all bets, followed by college football (25%) and the NBA (20%), according to Eilers & Krejcik Gaming.

Key figures:

• $169.6B total handle in 2024 (up 10% from 2023)
• $12.5B net revenue (after house take)
• 38 states + D.C. with legal markets
• NFL: 30% of bets; NBA: 20%; MLB: 15%

Mobile betting has been the driving force. In 2024, 72% of all bets were placed via smartphone apps, up from 45% in 2020, according to the Sports Betting Data Service. DraftKings, FanDuel, and BetMGM dominate the market, with DraftKings capturing 35% of the mobile share.

Why the NFL, NBA, and MLB Are Both Embracing and Fighting the Trend

The leagues have taken divergent approaches to betting. While the NFL and NBA have partnered with sportsbooks—selling naming rights to venues (e.g., SoFi Stadium’s “BetMGM”) and offering player props—the MLB has been more cautious, banning in-stadium betting in 2023 after concerns over player integrity.

League stances:

• NFL: Fully embraces betting, with 18 of 32 teams having partnerships (e.g., Las Vegas Raiders with BetMGM). The league earns $100M+ annually from betting deals.
• NBA: Allows props but bans in-game betting during live games. The league’s partnership with FanDuel generates $75M+ yearly.
• MLB: Banned in-stadium betting in 2023; now allows only pre-game/half-time wagers. The league earns $50M+ from betting partnerships.

Player unions have also weighed in. The NFL Players Association (NFLPA) has pushed for stricter regulations, including a ban on prop bets tied to individual players, citing concerns over fan obsession with injuries. The NBA Players Association (NBPA) has taken a neutral stance, focusing instead on player education about gambling risks.

Player union positions:

• NFLPA: Opposes prop bets, wants stricter in-game betting rules.
• NBPA: Neutral but advocates for player gambling education.
• MLBPA: Supports MLB’s ban on in-stadium betting.

The Dark Side: Problem Gambling and Player Integrity Risks

With easy access to betting, concerns about problem gambling have grown. The National Council on Problem Gambling estimates that 1.5% of U.S. adults—about 4.5 million people—have a gambling disorder. In response, states like New Jersey and Pennsylvania now require sportsbooks to fund addiction treatment programs.

Leagues are also monitoring for match-fixing. The NBA, NFL, and MLB have all investigated betting-related incidents, though no major scandals have emerged. The NCAA, however, has faced criticism for its slow response to betting corruption in college sports, where smaller schools and coaches have been linked to point-shaving schemes.

Recent incidents:

• 2023: NCAA suspended a college basketball coach for betting-related violations.
• 2024: NFL investigated a player for alleged betting ties to a teammate’s injury.
• 2025: MLB expanded its integrity unit to monitor betting patterns.

What’s Next: Daily Fantasy, AI Betting, and Global Expansion

The next frontier in sports gambling is daily fantasy sports (DFS), which saw a 40% surge in 2024, per the DFS Tracking Service. DraftKings and FanDuel now offer fantasy contests tied to live games, with cash prizes reaching millions per event.

Artificial intelligence is also reshaping betting. Sportsbooks like BetMGM and Caesars use AI to detect suspicious betting patterns, while bettors employ AI tools to analyze player performance data. The NBA has experimented with AI-driven prop bets, offering real-time odds adjustments based on player fatigue and injuries.

Internationally, the U.S. model is spreading. Canada legalized single-game betting in 2021, and the UK—already a global betting leader—is expanding into live in-play wagers. The European Union is also considering harmonized sports betting regulations, which could open the market to U.S. operators.

Future trends:

• DFS growth: 40% increase in 2024, with $10B+ in prize money.
• AI integration: Sportsbooks using machine learning for fraud detection.
• Global expansion: Canada, UK, and EU markets opening up.
• Player protections: More leagues likely to restrict prop bets.

How to Bet Responsibly: Resources and Regulations

With the industry booming, responsible gambling tools are becoming more widespread. Most U.S. sportsbooks now offer:

• Self-exclusion programs (e.g., BetMGM’s “Cool Off” feature).
• Deposit limits and loss caps.
• 24/7 helplines (e.g., 1-800-GAMBLER).

States also enforce strict licensing. Operators must comply with:

• Background checks for executives.
• Annual audits of betting integrity.
• Funding for addiction treatment (e.g., New Jersey’s $5M annual requirement).

Where to find help:

• National Council on Problem Gambling
• Gamblers Anonymous
• Bet Responsibly