New Oklahoma quarterback John Mateer has found himself in the midst of controversy, as screenshots of questionable Venmo transactions surfaced this week on social media.

Mateer was one of three players who accompanied Oklahoma coach Brent Venables at SEC Media Days in July. Venables and Oklahoma’s players have raved consistently about Mateer’s leadership. He’s considered one of the nation’s top transfers and a key reason the Sooners open the season ranked No. 18 in the AP Top 25.