Aug. 12 (UPI) -- The University of Oklahoma's likely starting quarterback, John Mateer, denied betting on sports while a freshman at Washington State University in 2022. Screenshots of Mateer's Venmo account show two transactions on the mobile payment app Venmo that were made on Nov. 20, 2022, and are labeled "sports gambling," NBC News reported on Tuesday. "The allegations that I once participated in sports gambling are false," Mateer said in a social media pos t on Tuesday. "My previous Venmo