Baker Mayfield
Mayfield transferred to Oklahoma after his first year, as he believed his treatment at Texas Tech was not fair. Because of rules for transfer students, Mayfield would have to sit out for one year in 2014 before being able to play for Oklahoma in 2015. This sparked a debate and eventually led to the creation of the "Baker Mayfield rule", which allows walk-on players to play immediately after transferring to another school in the same conference.