THE FIRST WALK-ON TO WIN THE HEISMAN: A SOONER LEGEND The man who bet on himself and won the jackpot. Baker Mayfield’s college journey is the ultimate underdog story with a "main character" attitude. He didn't just walk on once; he did it twice. First, as a true freshman at Texas Tech in 2013, where he became the first walk-on true freshman to start an FBS season opener. Then, after a dispute over a scholarship, he packed his bags for Oklahoma, sat out a year, and proceeded to dismantle the Big 12 for three straight seasons. Mayfield wasn't just a quarterback; he was a cultural phenomenon in Norman. He played with a permanent chip on his shoulder, famously planting the OU flag at the 50-yard line of Ohio Stadium and grabbing his crotch against Kansas—actions that fueled his "bad boy" persona but only endeared him more to the Sooner faithful. By the time he left in 2017, he was the unanimous Heisman Trophy winner, the owner of the highest passing efficiency rating in FBS history ($19...