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John Mateer Denies Venmo ‘Sports Gambling’ Screenshots as Oklahoma Opens Compliance Review

The dispute hinges on unverified Venmo screenshots that were deleted or made private soon after they went viral.

Oklahoma quarterback John Mateer throws a pass during practice in Norman, Okla., on Aug., 6, 2025.
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Overview

  • Screenshots of two 2022 Venmo transactions labeled “sports gambling” (including one referencing a UCLA vs. USC game) were circulated by a Barstool Longhorn account and later removed or made private.
  • Mateer publicly denied any sports betting, calling the memo descriptions “inside jokes” and asserting he has never wagered on sports.
  • Oklahoma Athletics confirmed it is conducting an internal compliance review, highlighted its use of ProhiBet monitoring, and said it is unaware of any NCAA investigation.
  • Reporting from SoonerScoop and ESPN indicates Mateer has been in contact with OU compliance staff as part of the school’s review process.
  • Under NCAA rules, wagering on collegiate sports could carry eligibility penalties, but the transactions’ authenticity and context remain unverified pending further investigation.