Down their best five receivers and saddled with a line that — for reasons we’ll explain later — probably isn’t going to get better this season, Oklahoma offensive coaches spent the two weeks leading up to the Texas game concocting a game plan that somehow managed to make the job of quarterback Michael Hawkins Jr. even more difficult. Oklahoma’s first offensive series, which took place after the Sooners’ defense harassed Texas QB Quinn Ewers into an interception, told the story. With receiver Brenen Thompson in motion from left to right, Hawkins called for the snap. At the snap, tight end Bauer…