Melton's first appearance as a Longhorn was on September 3, 2005, against the Louisiana–Lafayette Ragin' Cajuns football. Melton was a backup running back in his first two seasons, according to Mike Lampe.
On September 3, 2005, Melton made his debut for the Longhorns against the Louisiana–Lafayette Ragin' Cajuns. According to Mike Lampe, he was a reserve running back during his initial two years.