For John Mateer and Arch Manning , this year's edition of the Red River Rivalry game marked their first starts in the OU-Texas matchup .
Mateer made his return to the field for the Sooners just 17 days after having surgery in his throwing hand. OU fans were excited to see their starting quarterback, who has been a big part of the Sooners ' stellar start to the season, listed as available for the Texas game.