Oklahoma quarterback John Mateer was one of the most explosive players in college football before an injury to his throwing hand required surgery in Week 4. Various preseason reports hailed him as one of the top Heisman trophy contenders. But there was one allegation that almost canceled his stellar season before he even set foot on the field. Screenshots of Mateer’s Venmo transactions were leaked with the caption alluding to something along the lines of sports betting. It la