Oklahoma officials are aware of John Mateer’s Venmo activity that surfaced on-line last night that twice references "sports gambling" and includes a reference to a specific game. Mateer has consistently denied to OU officials ever being involved with gambling, per a source.

Oklahoma quarterback John Mateer is in some hot water for his alleged sports betting activity. Per ESPN's David Purdum, Oklahoma is investigating Mateer's gambling after screenshots of past references to "sports gambling" on his Venmo account were revealed online on Monday.

Oklahoma starting quarterback John Mateer is in some hot water. The redshirt junior has found himself embroiled in controversy after social media sleuths tracked down his Venmo payments account, where he made some questionable comments on transactions.