A 2025 NBA scandal exposes athlete participation in sports betting

Sports leagues have attempted to prevent athletes from betting

As pro and collegiate sports embrace betting (and the revenue that comes with it), each league works diligently to ensure the integrity of the games by hiring private firms to analyze irregular bets. These companies have flagged bets that led to the firing of Alabama’s baseball coach, the suspension of multiple athletes at Iowa and Iowa State, and, most recently, a lifetime ban on former Toronto Raptors forward Jontay Porter by the NBA in April 2024.

Even athletes aren't immune to the sports-betting craze

While gambling scandals occasionally blew up before 2018, the widespread legalization of sports betting provided athletes with more opportunities to bet on the games they were playing.

The betting scandal that rocked college basketball

In the 1940s and '50s, illegal bookmaking in college basketball was rampant at Madison Square Garden. In the 1949-50 season, City College of New York players shaved points during games, though they played honestly in the NIT and NCAA tournaments, winning both. This OddsShark.com article explores how the points-shaving scandal was exposed, who went to jail, and its impact on the NIT and CCNY.

A timeline of sports-betting scandals

This timeline examines memorable moments from three decades of sports-betting history. It breaks down key political moments, as well as some historical moments such as when the internet pushed underground bookmaking online. There are also multiple descriptions of betting scandals from 1989 on.

Tim Donaghy and the NBA game fixing scandal

A two-year investigation by ESPN details how former NBA referee Tim Donaghy conspired to fix games, who he was working with, and where the money was going. In a lengthy statement, the NBA denied much of the new claims in the article, saying the data ESPN used was not strong and they were unable to replicate it. Donaghy was given a lifetime ban and served nearly all of his 15-month sentence.

A 2024 cheating scandal cast doubt on the industry

In 2024, National Fantasy Football Championship, a fantasy league with big payouts, fired one of its employees for manipulating data. The episode cast doubt on the relatively unregulated industry, despite the league coming down hard on the nefarious worker.

MLB pitchers were charged with benefiting from sports betting

In November 2025, two pitchers for the Cleveland Guardians were charged with coordinating with sports bettors to enrich themselves and others. In many instances, they shared the kinds of pitches they would throw at specific points in the game. Bettors then placed money on those actions.

NBA referee Tim Donaghy was paid roughly $300K to fix games

Donaghy said he struggled with a gambling addiction, causing him to risk so much. In this interview, he explains the story of his scandal, and how the mob led to his eventual arrest.

Sports betting, explained

Since a 2018 Supreme Court decision overturned the Bradley Act, which spurred a state-by-state legalization of online gambling, sports betting has become a rapidly growing multibillion-dollar industry.

The Pete Rose scandal was exposed by Sports Illustrated

In the spring of 1984, a reporter at Sports Illustrated answered a call on the newsroom tip line claiming player/manager Pete Rose was gambling on baseball games. That March, the magazine published the bombshell report that led Major League Baseball to investigate and then ban Rose for life.

Sports media have also embraced sports betting

For decades, ESPN kept its distance between reporting on games and talking about gambling lines. Sports teams refused to have franchises in Las Vegas, fearing it would harm the sport. But since 2018, that has changed. ESPN’s personalities regularly pick games, and the company has also launched its own betting app.

In 2015, FIFA's decades-old bribery network was exposed

In 2015, the US Department of Justice exposed a 24-year bribery network influencing broadcast rights and votes on World Cup host cities. Over 40 officials were indicted for accepting bribes. FIFA implemented several reforms, including term limits for presidents and council members and salary disclosures in 2016.

'Moneyball' author Michael Lewis believes sports betting is a problem for young men

The noted journalist and author of "Moneyball," "The Big Short," and "The Blind Side" has now fixed his discerning eye on the sports-betting industry. In this interview, he explains why he sees sports betting as a problem for American society, especially boys and young men, and why he believes the government needs to regulate the nascent industry more seriously.

Americans spent nearly $150B in sports-related bets in 2024

These bets ranged from who would win the World Series to what color clothes famous celebrities would wear to the Super Bowl. Experts believe the industry will continue to grow.

Mental health experts caution against youth sports betting

People in their early 20s represent the fastest-growing group of sports gamblers. That fact concerns mental health professionals, who warn that early exposure to gaming primes children’s brains to seek digital rewards.

A 2004 brawl led to a strict dress code for NBA players

After the Malice at the Palace brawl between the Indiana Pacers and the Detroit Pistons, Commissioner David Stern wanted to tamp down the league's bad-boy image, instituting a business casual dress code for all players on the sidelines and at team-sanctioned events.

Experts suggest the industry could be a $45B business

Sports betting used to primarily consist of who would win and the points spread, but the rise of online betting apps has fueled a substantial increase in parlay bets. "Existing markets are still growing at a rapid clip," said Noah Naparst, who evaluates sports-betting companies for Goldman Sachs. "So we’re not mature yet, but we’re not in the early wildcat days of the market anymore, either.”

The 1919 Chicago White Sox, later known as the 'Black Sox,' were banned from baseball for fixing that year's World Series despite being acquitted in court.

In 1992, sports betting was outlawed in places where it wasn't already legal

On Oct. 29, 1992, then-President George HW Bush signed the Professional and Amateur Sports Protection Act, outlawing sports gambling where it was not already legal.

Frictionless online gambling platforms accelerate compulsive behavior

As of late 2025, as much as 95% of bets are placed online, where "always on" betting and a variety of formats, such as prop bets and parlays, encourage users to keep participating. Experts warn that the normalization of gambling through advertisements also reduces the perceived danger of addictive gambling.

New rules introduced in 2021 let college athletes profit from their name, image, and likeness.

In 1985, New York Mets star Keith Hernandez said 40% of his MLB peers used cocaine, highlighting an open secret about drug use in the league.

Among most mainstream sports broadcasts, sports betting ads appear most often in women's basketball and hockey

A random selection of 50 different sports broadcasts tracked one sports betting reference every four minutes. In one of the randomly selected hockey games, the longest stretch of no gambling reference lasted about five minutes towards the end of the game.

After an estimated $8B in customer funds were lost through a cryptocurrency scheme likened to a Ponzi scheme, FTX founder Sam Bankman-Fried was sentenced to 25 years in prison.

How math whizzes exploit sportsbooks

Chris Dirkus is a professional sports bettor who approaches the hobby as a math problem, not from a fan's perspective. He focuses on mispriced odds in popular games where many fans are betting for high liquidity. He's one of a rare segment of sports bettors exploiting slow models and human mistakes.

How much does sports betting generate?

According to 2025 data, sports betting generated $2.7B in state tax revenue. That number has increased every year since the government began collecting data in 2021.

The biggest controversies of the NFL

Some of the biggest controversies in NFL history didn’t just spark debate—they changed the game. From Spygate and Deflategate to concussion research and the league's ambivalent stance on it, these moments led to new rules, safety measures, and major policy shifts. Explore how each scandal shaped the league and its future.

Ken Caminiti exposed steroid use around the league

In 2002, newly retired Ken Caminiti was the first to admit to using steroids as a player, citing how common PEDs were in the league, something that had long been rumored, especially after the single-season home run record was broken in 1998 by Mark McGwire.

Shohei Ohtani's interpreter allegedly stole $16M for gambling debts

Ippei Mizuhara first met Shohei Ohtani during the two-way star’s rookie year in Japan. Ten years later, Mizuhara, who had become a trusted friend and confidant to Ohtani, is alleged to have stolen $16M from his employer to repay gambling debts.

Prediction markets help people bet on almost anything—which can be controversial

Critics point to incidents such as traders placing bets on the Venezuelan President Nicolás Maduro's capture and the two people in Israel who were charged on suspicion of using classified information to place bets about military actions.

Prediction markets convinced regulators they're not gambling, but exchanging commodity futures contracts

Kalshi built a legal case that argues its yes/no bets on real-world events are futures contracts, and the relevant regulator—the Commodity Futures Trading Commission—agreed in 2020. Many states are now suing major prediction markets, arguing this legal case is faulty and obscures the true substance of the business: gambling.

The Hans Niemann scandal rocked chess in 2023

In 2022, GM Hans Niemann was accused by Magnus Carlsen of cheating—a controversy that led to an internal Chess.com report alleging Niemann "likely cheated" more than 100 times in online games.

The NBA and its players donate the fines from technical fouls to various charities

The "Fined and Philanthropic" initiative, a grant-matching program from the National Basketball Players' Association, directs the funds toward charitable organizations.

Decoding sports-betting language

The world of sports gambling is filled with insider lingo: What's a "spread"? How about a "moneyline" or a "parlay"? This resource breaks down the jargon, helping you navigate the industry or, at least, giving you the keys to talk about it.

Prediction markets—the platforms where users can trade bets that pay out depending on certain event outcomes—have faced questions about insider trading.

Major scandals have undermined the reputation of the Olympics

With billions in public money in play and the high stakes of winning gold for one's country, the Olympics have had their fair share of scandals. This Global Investigative Journalism Network list highlights eight groundbreaking investigations by journalists about the Olympics. It includes the 2014 Russian doping scandal, venue corruption in Rio, and the decadeslong cycle of sexual abuse by an Olympic doctor.

In 2024, the league signed a 11-year deal with Disney, Amazon, and NBC Universal

The $2.2B deal was widely applauded in the media, but the Players Association questioned how the NBA arrived at the valuation and why the deal gives players less than 10% of total revenue compared to the NBA’s 50%.

In 2023, at least 6 people were charged with stealing body parts

A recent case involving alleged trafficking in stolen human body parts charged that there was a nationwide network of individuals who bought and sold human remains. The charges alleged, among other things, that from 2018 through 2022, the manager of the morgue at Harvard Medical School's Anatomical Gifts Program stole organs and other parts of cadavers that had been donated for medical research and education. In late 2025, that Harvard morgue manager was sentenced to 96 months in prison.

The NBA, explained

From humble beginnings in 1891, basketball transformed into the global juggernaut we know today. The NBA, established in 1949 and later revitalized by Commissioner David Stern in the 1980s, became a model for sports branding, player marketing, and international expansion.

Some experts equate prediction markets to the new crack cocaine of gambling addiction

An addiction psychiatrist at UCLA says betting apps are far more potent than traditional gambling, citing a 19-year-old patient who lost $180,000 and hadn't left campus in a year, cycling through sports bets, crypto, meme stocks, and prediction markets on his phone. This interview explores the extreme edge of the nascent industry.

A hoops expert on the likely March Madness expansion

Rumors about March Madness expanding to a field of 76 teams have led to consternation among some college basketball fans, who believe overcrowding the tournament will dilute what makes it great. HoopsHQ's Seth Davis argues it's a good idea, comparing the change to college football's recent (and highly successful) playoff system.

The inclusion of NBA stars in the '92 Olympics changed basketball's global standing

The Olympics finally permitted professional basketball players to play in 1992 Summer Games and the NBA produced one of the greatest basketball teams ever assembled: The Dream Team. Billions worldwide watched Jordan, Bird, and Magic dominate to win gold, inspiring future Hall of Famers and increasing the NBA's viewership.

The first shoes Jordan got from Nike were against NBA regulations

The initial mockups Nike gave Jordan were entirely black and red. The NBA had strict rules around shoe color at the time that these colors violated. The story goes that Nike paid the $5K fine for each game that Jordan wore the shoes in, but there’s no photographic evidence that Jordan ever wore them in a game at all. Regardless, Nike created the “banned” ad, capitalizing on the controversy.

The story of Olympian Ryan Wedding's rise and fall as drug kingpin

After a disappointing finish representing Canada in the slalom at the 2002 Winter Olympics, Wedding turned to growing cannabis and selling cocaine. After serving prison time, he upped his game and came to control major drug routes in North America, finding himself on the FBI's 10 Most Wanted List. He was captured in Mexico City in January 2026.

Racketeering is broad term for running an illegal scheme

Racketeering itself isn't a single crime and prosecutors tend to think about racketeering as a pattern of criminal activities, including kidnapping and money laundering. The term comes from the Racketeer Influenced and Corrupt Organizations Act, known as RICO.

The NBA consists of 30 teams and 450 players

The teams are divided into two conferences, the Eastern and Western, each playing 82 games from mid-October to mid-April. Conference champions meet in the NBA Finals each year in late May or June to crown a league champion.

Generally, NBA basketball teams whose players touch each other more win more games

This 2010 research finding underscores the importance of touch in promoting trust, bonding, and cooperation, thereby apparently improving team success. Touch also promotes cooperation in other settings: In a separate "prisoner's dilemma" study, when the experimenter gently touched some participants with a quick pat on the back, the touched individuals were more likely to cooperate and share with their partner.

20 years of NCAA buzzers

The last few beats of the March Madness title game are among the most thrilling in sports. This video compilation collects the final five seconds of every women's championship from the first year of the tournament through 2022. The result is a fascinating document of celebrations, disappointments, and last-ditch efforts. It's also objective proof that basketball's style has evolved considerably over the decades.

The gray area that makes PEDs seem like leveling up to hardcore athletes

Doping in sports is broadly condemned as unsafe and unfair. Significant controversies in major sports, including baseball and cycling, have been prompted by the widespread use of performance-enhancing drugs, which are described as clear-cut dangers and abuses of the rules. But to many competitors, the line between a PED and the next smart technique to adopt is unclear. This podcast episode explores that gray reality.

An ESPN documentary alleged that Bobby Riggs threw the 'Battle of the Sexes'

According to a 2013 report, Riggs intentionally lost his 1973 match against Billie Jean King in order to settle a debt to organized crime. The documentary primarily relies on information from a man who claimed to have overheard a conversation about the fraud. King maintains that Riggs played to his full ability but was simply overconfident for his age.