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Sports leagues confront integrity concerns amid wave of betting scandals

Major athletic organizations rely on compliance monitoring tools and face athlete trials as public skepticism over manipulated games mounts.

Updated Sep 3, 2026 · 13:19 UTC1 reports

The short version

  • The NFL, NBA, MLB, and NHL have all investigated personnel regarding suspicious wagering activity over the past 12 months.
  • Polls reveal widespread public doubt, with 70 percent of Americans surveyed believing sports betting harms game integrity and nearly half concerned about rigged outcomes.
  • Leagues and operators are deploying monitoring tools such as IC360's ProhiBet to flag irregular activity and enforce bettor bans, though loopholes like offshore books persist.
  • Several athletes face disciplinary bans and upcoming trials over allegations of rigging individual pitches and faking injuries for prop betting schemes.

Key facts

  • Every major North American sports league—the NFL, NBA, MLB, and NHL—has conducted investigations into personnel for suspicious gambling activity in the past year.[The Hollywood Reporter]
  • An NBC News poll found 70 percent of Americans believe betting harms the integrity of sports, while an Ipsos survey showed almost half worry games are rigged.[The Hollywood Reporter]
  • Former Cleveland Guardians pitcher Emmanuel Clase faces trial this year over allegations of rigging individual pitches across three seasons.[The Hollywood Reporter]
  • Former Charlotte Hornets player Terry Rozier is scheduled for trial next year over claims he feigned an injury in 2023 to aid under prop bettors.[The Hollywood Reporter]
  • The NBA issued a lifetime ban to former Toronto Raptors player Jontay Porter for wagering on his own games.[The Hollywood Reporter]
  • Organizations including the PGA Tour, NCAA, and UFC utilize Integrity Compliance 360 to monitor unusual betting patterns and share prohibited bettor lists with sportsbooks.[The Hollywood Reporter]

What remains uncertain

  • Whether leagues will restrict or ban micro-event prop bets and same-game parlays, which industry experts highlight as high-risk drivers for manipulation.[The Hollywood Reporter]
  • The extent to which compliance technologies can successfully curtail corruption given vulnerabilities like offshore sportsbooks and proxy betting.[The Hollywood Reporter]

Sources