Editor's note: This story was originally published June 28, 2017. Throughout Oklahoma’s storied history as one of the most dominant football programs in the country, the Sooners have managed to make a few rivals spanning several conferences.Of course, there’s Red River rival Texas and Bedlam foe Oklahoma State, but who else rounds out the list of OU’s biggest enemies on the gridiron?Let’s take a look at Oklahoma’s five biggest college football rivals, starting with an entire league.5.