Cases · MLB · 2023–2026
Should Pitch-Level Micro-Bets Exist? Market Design After the Guardians Indictment
In November 2025, federal prosecutors in Brooklyn unsealed an indictment alleging that Cleveland Guardians pitchers Emmanuel Clase and Luis Ortiz agreed in advance with bettors on specific pitches, such as balls thrown in the dirt or pitch speeds, so the bettors could win in-game prop bets. Both pleaded not guilty. The day after the indictment was unsealed, MLB and its sportsbook partners announced a $200 cap on pitch-level 'micro-bets' and barred them from parlays, and Ohio's governor, who had called for a ban on prop bets, said he was satisfied. Unlike a case focused on the alleged conduct itself, this case centers on market design and governance. It asks whether markets on single, game-irrelevant actions controlled by one player can be offered safely, and who should decide.
Timeline
- According to the indictment, Clase begins agreeing with bettors to rig prop bets on his pitches.
- At the NCAA's request, Ohio bans player-specific prop bets on college athletes.
- According to the indictment, Ortiz joins the scheme; two pitches are allegedly rigged for bribes on June 15 and June 27.
- Clase and Ortiz are placed on non-disciplinary paid leave.
- Ohio's governor calls for prop bets to be removed from the state's market.
- An indictment against both pitchers is unsealed in federal court in Brooklyn.
- MLB and sportsbook partners announce a $200 cap on pitch-level bets and exclude them from parlays.
- Ohio's casino regulator says it will not pursue its own rule for now.
- Both pitchers plead not guilty to a superseding indictment that adds a third defendant.
- A New Jersey Assembly committee advances a bill to bar online micro-bets.
- The NBA restricts first-scorer, low-minutes and same-player 'under' parlay markets.
The ethical issues
- Integrity of markets on single actions that one player controls.
- The incentives created when game-irrelevant actions can be bet on.
- Industry self-regulation versus state regulation of betting markets.
- Leagues' dual role as betting partners and integrity guardians.
- Presumption of innocence in pending criminal cases.
Stakeholders
| Stakeholder | Interests & obligations |
|---|---|
| The accused players | Their liberty, careers and a fair trial. |
| MLB and clubs | Integrity, fan trust and sportsbook partnership revenue. |
| Sportsbooks | Popular in-game markets without exposure to fraud. |
| State regulators and governors | Protecting the public and the integrity of licensed markets. |
| Players generally | Freedom from approaches by bettors and from suspicion. |
| Fans and bettors | Honest games and fair markets. |
The case
Legal sports betting has created markets on ever-smaller events. In baseball, sportsbooks offered “micro-bets” on single pitches: whether the next pitch would be a ball or a strike, or how fast it would be.[2] In November 2025, federal prosecutors alleged that two Cleveland Guardians pitchers had exploited exactly these markets.[1] The case is pending, and the defendants are presumed innocent.[1]
Background
On November 9, 2025, an indictment was unsealed in federal court in Brooklyn charging Emmanuel Clase, a relief pitcher, and Luis Ortiz, a starting pitcher, with wire fraud conspiracy, honest services wire fraud conspiracy, conspiracy to influence sporting contests by bribery, and money laundering conspiracy.[1]
According to the indictment, from around May 2023 Clase agreed with corrupt bettors in advance on specific pitches. The bettors wagered on the speed and type of those pitches at online sportsbooks, sometimes coordinating during games. To make sure certain pitches were called balls, prosecutors allege, Clase threw many of them in the dirt, often on the first pitch of an at-bat. The government alleges that Clase at times received bribes and kickbacks, sometimes funded the bets, and caused the bettors to win at least $400,000.[1] Prosecutors allege that Ortiz joined in around June 2025 and agreed to throw balls on particular pitches in two games, for which the bettors agreed to pay $5,000 and $7,000 bribes to each pitcher.[1] The bettors’ winnings on those two pitches allegedly totaled at least $60,000.[1]
The US attorney said athletes “hold a position of trust” and that, as alleged, the defendants “sold that trust to gamblers by fixing pitches.”[1]
The players’ response
Both pitchers had been on non-disciplinary paid leave since July 2025. In February 2026, both pleaded not guilty to a superseding indictment that added a third defendant, alleged to have acted as a middleman between bettors and Clase.[4] Their lawyers have said their clients never colluded with gamblers. Ortiz’s lawyers asked for a separate trial, arguing that he was accused over only two pitches in a 12-day span and might be “a victim of Mr. Clase’s scheme, rather than a knowing and willing participant.”[4] The judge indicated that the trial would likely move from May to the fall of 2026.[4] MLB said it had contacted federal law enforcement when it began investigating unusual betting activity.[4]
In late summer 2026, the trial judge, Kiyo Matsumoto, denied Ortiz’s request to be tried separately. Clase’s severance motion was granted only in part: a fifth charge added by the superseding indictment would be heard in a separate stage of the trial. In September the court also refused to dismiss the wire fraud conspiracy count, finding that the alleged deception had been “sufficiently alleged.” The superseding allegations put the bettors’ winnings at no less than $450,000. As of September 2026, trial was set to begin on November 2.[8]
The rules and governance
MLB’s Rule 21 provides that players, umpires or officials who bet on a game in which they have a duty to perform are placed on the permanently ineligible list.[2] Betting markets themselves, however, are approved by state regulators and offered by licensed sportsbooks, many of them league partners.
Ohio had already acted on one kind of prop bet. On February 23, 2024, at the NCAA’s request, the Ohio Casino Control Commission banned player-specific prop bets on college athletes. The NCAA had cited harassment of athletes by bettors (more than 30 Division I schools reported it), the risk that more accessible college players would be approached for inside information, and the risk of “spot fixing,” in which fixers target one part of a game rather than its result. It also warned that player props gave students a way into “micro-betting,” which it described as a more repetitive form of betting.[5] That ruling covered amateurs, not professionals.
Ohio’s governor, whose state is home to the Guardians, had called on the state’s casino regulator to remove all prop bets from the market, saying “the prop betting experiment in this country has failed badly.” He later narrowed his focus to in-play micro-bets.[3]
On November 10, 2025, MLB and its sportsbook partners announced measures effective immediately: a $200 cap on wagers on pitch-level markets, and a ban on including those bets in parlays.[2] The measures would be implemented across operators representing more than 98% of the US betting market.[2] MLB explained that pitch-level markets “present heightened integrity risks because they focus on specific, one-off events that can be determined by a single player and can be inconsequential to the outcome of a game.” The cap and the parlay ban reduce the payout and “the ability to circumvent the new limit.”[2]
The commissioner praised the Ohio governor’s “leadership on this issue,” and the governor urged “other sports leagues to follow Major League Baseball’s example.”[2] The president of FanDuel, an official MLB sportsbook partner, said the initiative showed the industry’s commitment to rooting out abuses.[2]
Aftermath
On November 13, 2025, the Ohio Casino Control Commission said that introducing its own rule “could inadvertently impede other conversations” and “stifle that dialogue,” though it reserved the right to act “should it become apparent that regulatory action is necessary.”[3] The governor’s spokesperson said that voluntary agreement was “a lot easier than trying to force an unwilling partner.”[3] SBC Americas noted that MLB was the only pro league to adopt such a measure at that time.[3]
Legislators in other states went further on paper. In New Jersey, Assembly Bill 3258, as amended by the Assembly Tourism, Gaming and the Arts Committee on June 1, 2026, would bar licensed sportsbooks from offering micro-bets online, allowing them only in person at a sportsbook lounge or kiosk. Each illegal wager would be a separate disorderly persons offense, with a fine of $500 to $1,000. The bill’s findings say micro-bets, which settle on “the very next play or action,” leave bettors little time to think, can fuel problem gambling, and “are easier to fix than many more traditional forms of wagering.”[6] In Louisiana, Senate Bill 354, filed for the 2026 session, proposed banning both prop bets and live micro-bets on a single play or action.[7]
Other leagues moved later and by their own rules. Ahead of the 2026–27 season, after a series of gambling cases involving NBA figures, the NBA told its authorized sportsbooks to restrict bets on which player scores first, bets on players expected to play under 12 minutes a game, and parlays combining several bets on the same player underperforming. CNBC reported that these markets raise integrity concerns “because a single player has the ability to influence the outcome,” the same logic MLB had used for pitch-level bets. The NBA also said it had built an AI-based platform to flag suspicious betting.[9] Its commissioner, Adam Silver, said the league wanted “control over the markets.”[9]
The core dilemma
Micro-bets are popular and profitable for sportsbooks and, through partnerships and data deals, for leagues. But a market on a single pitch can be settled by one player’s choice, often with no effect on the game, which makes it cheap to corrupt and hard to detect. Should these markets be capped, banned or left alone, and who should decide?
Competing values
- Integrity vs. revenue: protecting the game against commercial gains from popular markets.
- Self-regulation vs. public regulation: quick industry agreement against binding state rules.
- Bettor choice vs. protection: adults’ freedom to bet against the risks to the game and to vulnerable bettors.
- Accountability vs. due process: acting on alleged corruption while respecting the presumption of innocence.
Strongest arguments
For banning pitch-level markets: a single player can determine the outcome without affecting the result, so the temptation is high and detection difficult. No limit fully removes the incentive, and the alleged scheme shows the risk is real.
For caps and monitoring (MLB’s approach): limits reduce the payoff to corruption while keeping bettors in the regulated market, where betting data allows detection. MLB says it flagged the unusual activity to law enforcement.
For leaving markets alone: a few alleged bad actors should be prosecuted, not used to restrict lawful markets for millions of bettors.
Applying the frameworks
Utilitarianism
A utilitarian lens weighs the entertainment and revenue from micro-bets against the risks to the sport’s credibility and the harms of fraud. It asks whether a $200 cap reduces the incentive to corrupt enough to justify keeping the market.
Kantian (duty)
A duty-based lens holds that a player who agrees to manipulate a pitch for bettors breaks a promise to teammates, opponents and fans. It also asks whether leagues treat players merely as means when they profit from markets that expose them to approaches by bettors.
Justice
A justice lens asks whether the rules are fair to the accused, who are presumed innocent, and whether it is fair for leagues and sportsbooks to set the rules for markets they profit from.
Virtue ethics
A virtue lens examines the character of players, who must resist temptation, and of institutions, which must show prudence and integrity in deciding what markets to allow.
Walk it through: the Simple Decision Model
- Spot the issue. You are a state gaming regulator. Stakeholders include players, leagues, sportsbooks, bettors and the public. Less visible are lower-paid players who may be more vulnerable to approaches. The relevant codes are state law, regulatory rules and league integrity rules.
- Gather facts. Which markets are most vulnerable? How well can monitoring detect manipulation? Would bettors move to unregulated markets if limits were imposed? Beware availability bias from one high-profile case.
- Test options. (a) Ban pitch-level markets. (b) Accept the league’s cap and monitor compliance. (c) Adopt a binding rule codifying limits.
- Check codes and law. Check your authority to approve or remove markets, and the league’s Rule 21 and integrity agreements.
- Decide and document. Explain why the chosen approach is proportionate to the integrity risk.
- Communicate and follow up. Publish the decision, require sportsbooks to report compliance, and revisit it as evidence emerges.
What’s settled and what’s contested
- Settled: the charges and the defendants’ not guilty pleas; MLB’s $200 cap and parlay ban; Ohio’s decision not to act for now.
- Contested: whether the alleged scheme occurred, which a court will decide; whether pitch-level markets should exist; whether self-regulation is enough.
Why this case matters
As betting markets shrink to single moments, the line between a player’s routine choice and a fixable event narrows. The Clase and Ortiz case, and MLB’s response, show the integrity risks of micro-betting and the question of who governs betting markets.
See also: Clase and Ortiz: The Guardians Pitch-Rigging Indictment.
Key terms
- Integrity
- A commitment to honesty and ethical principle in competition and administration, including when nobody is watching.
- Fair play
- Integrity put into practice: respecting both the written rules and the spirit of competition.
- Moral hazard
- When someone takes more risk because others will bear the cost.
- Conflict of interest
- A situation where a person’s private interest could improperly influence a decision they make in an official role.
- Due process
- Fair procedures before a sanction: notice, a chance to respond, an impartial decision-maker and a right of appeal.
- Trust
- The public’s belief that what they are watching is real. Integrity failures are ultimately failures of trust.
- Controls
- Concrete safeguards that make ethics operational: training, disclosure forms, testing, monitoring, hotlines. Ethics needs principles, process and controls.
Definitions from the Ethics Cases glossary.
Discussion questions
- MLB says pitch-level markets are vulnerable because they involve one-off events determined by one player and often inconsequential to the game. Should such markets exist at all?
- Is a $200 bet cap a meaningful integrity safeguard or a compromise that protects revenue?
- Ohio's regulator chose not to act after the league and sportsbooks agreed on limits. Who should set the rules for betting markets: leagues, sportsbooks or regulators?
- How should leagues and fans treat players who are charged but not convicted?
Sources
- Two current Major League Baseball players charged in sports betting and money laundering conspiracy — US Attorney's Office, Eastern District of New York
- MLB, sportsbook partners announce limits on pitch-level wagers — MLB.com
- Ohio not pursuing regulatory action on props after MLB bet limits — SBC Americas
- Guardians pitchers Emmanuel Clase and Luis Ortiz fight pitch-rigging case as spring training starts — NBC Sports (Associated Press)
- Decision on the NCAA's request to prohibit player-specific prop bets on intercollegiate athletics (February 23, 2024) — Ohio Casino Control Commission
- Assembly Bill No. 3258 (1R), prohibiting sports wagering licensees from offering micro bets online — New Jersey Legislature
- Senate Bill No. 354, 2026 Regular Session (original) — Louisiana State Legislature
- Judge denies Clase, Ortiz motions to dismiss wire fraud conspiracy count — InGame
- NBA tightens betting rules, develops AI to flag suspicious wagers — CNBC