Ohio Restricts Parade of Sports Bets to Deter Hazard
Last updated
31 October 2026
Ohio regulators are moving to limit the number of bets Ohioans can place on a single sporting event, as concerns about problem gambling and potential league integrity issues raise alarm among state overseers.
The Ohio Casino Control Commission is considering a limit of no more than two same-game parlays for a single sporting event, in an effort to curb both gambling-related harm and allegations of game manipulation.
It would be the latest in a series of moves by the Buckeye State to regulate its sports-betting market, which launched legal wagering on January 1, 2023 after House Bill 29 was signed by Governor Mike DeWine in 2021.
Under the oversight of the Ohio Casino Control Commission and lawmakers, Ohio has already restricted college sports betting. Regulators banned prop bets on college athletes' individual performances in February 2024. The ban applies to wagers on statistics such as yards gained, points scored, rebounds, pitches thrown, or strikeouts.
Despite that restriction, Ohioans can still wager on standard bets: game winners, total points scored, and point spreads.
Even with that rule in place, Governor DeWine called on the Ohio Casino Control Commission to ban player-specific prop bets on August 4, 2024. The request followed a single-game surge of approximately $1.2 million in wagers on Cleveland Guardians pitchers Emmanuel Clase and Shane Bieber. A report in The Plain Dealer noted that the Ohio Casino Control Commission was already examining wager limits like those proposed for players.
At that time, bettors could wager on player statistics like strikeouts, double plays, and innings pitched. Since 2023, when online and mobile sports betting launched in Ohio, wagers on non-game outcomes at sportsbooks increased from $416 million in January 2023 to $536 million in May 2024, even as total wagers declined slightly from $754 million to $736 million.
As the 2024 NFL season began on September 5, 2024, total wagers rose to $765 million, though same-game parlays - a strategy used by fewer than 2% of Ohio bettors - accounted for $46 million of that total, a 29% increase over May 2024, even as the commission reported total wagers rose by just 4% during that period.
When Ohio Attorney General Dave Yost and Governor DeWine called for a ban on player props, the Ohio Casino Control Commission was already considering limits on same-game wagers following research about sports betting's potential impact on player performance. The proposed same-game parlay cap would restrict the number of unrelated bets placed on a single contest.
This development drew national attention to Ohio, prompting responses from state and NCAA officials. Even before the NFL season started, discussions about regulating player props and micro-betting were underway among state officials.
Public health experts in Ohio warn that sports betting and problem gambling may be closely linked. Organizations like the Ohio Department of Mental Health and Addiction Services report rising gambling problems, with sports betting being a contributing factor.
According to a 2024 report from the Ohio Department of Mental Health and Addiction Services, the Ohio Lottery Commission began restricting certain types of sports bets that fall.
The first restriction? Banning all prop bets on college athletes, which accounted for nearly 2% of total sportsbook revenue in Ohio.
Jennifer Grant Weinandy, Associate Dean of Research at Ohio University, told local media that 18-20% of college-aged individuals showed signs of risky gambling behaviors. The data came from a study by Weinandy and her colleagues.
Similarly, Christopher Floyd of Bowling Green State University reported an increase in 18-20 year-olds seeking treatment for gambling disorder. Since 2023, when sports betting launched, over 2,500 individuals under age 21 contacted Ohio's gambling helpline.
This trend may continue: Ohioans under 21 can sometimes place bets at sportsbooks when accompanied by adults, as Ohio's commercial casinos don't enforce strict age verification measures.
Concerns about sports gambling integrity made headlines in August 2024 when unusual betting activity occurred during a Cleveland Guardians game. Sportsbooks saw unprecedented micro-betting on specific player outcomes that night, totaling $1.2 million. Odds suggested certain player milestones were likely, but actual results didn't match expectations.
The Ohio Casino Control Commission investigated the unusual betting patterns, suspending new wagers on the two pitchers moments after a pitching change. Some bets on the reliever had odds as high as 19-to-1.
Since Ohio launched sports betting on January 1, 2023, regulators have followed the framework established by the Ohio General Assembly, permitting traditional sports wagers.
Currently, Ohio sportsbooks allow bets on game winners, point totals, and other standard wagers. Ohio prohibits teaser bets, hedge bets, or fixed-odds wagers under state law.
Even without micro-betting, the proposed rules would further limit sports betting in Ohio. Governor DeWine and Attorney General Yost have requested additional research, but only historical data is currently available, and the Ohio Department of Health may conduct further studies on gambling behavior.