Oklahoma starting quarterback John Mateer, after screenshots of past references to "sports gambling" on his Venmo account surfaced online Monday, denied ever being involved with gambling, saying Tuesday it was instead "inside jokes" with his friends.
School officials became aware of the screenshots late Monday night and are looking into the situation, a source told ESPN's Pete Thamel.
"The allegations that I once participated in sports gambling are false," Mateer posted to X on Tuesday. "My previous Venmo descriptions did not accurately portray the transactions in question but were instead inside jokes between me and my friends.