Texas running back CJ Baxter is out for the season as the result of a knee injury suffered during Tuesday’s practice, the program announced. He will undergo surgery. [Sign up for Inside Texas and get the BEST Longhorns scoop!] Baxter had been the first-string running back throughout camp. Here’s what Inside Texas’ Eric Nahlin reported on Wednesday morning. All the indicators IT picking up at running back is it’s going to be next man up after CJ Baxter injured his knee during Tuesday’s practice. At this time IT does not know the exact results of his MRI but we can tell from a couple of interact…