Texas defensive coordinator Will Muschamp has been designated as the head-coach-in-waiting by the university, expected to take over the Longhorns when Mack Brown retires. Muschamp is in his first year with Texas, but athletic director DeLoss Dodds said Tuesday he and Brown know they want to keep him at Texas. To do that, they will more than double his salary from $425,000 to $900,000 in January. He will remain defensive coordinator. Dodds said he wants the 57-year-old Brown to coach for a long time but said he wanted to line up Muschamp now to avoid the ?trauma? of a coaching search when the day comes that Brown steps down.