Per Nike: The Nike Free Trainer 5.0 ‘Oklahoma’ celebrates the storied matchup between Texas and Oklahoma. The Red River Rivalry has been waged for over 100 years, but passions truly escalated in 1931, when the two states became embroiled in conflict over the erection of a new bridge spanning Red River. Since then, bragging rights between the Longhorns and the Sooners have been won on the gridiron.