Only the hopeless optimist would deny Tuesday’s news that Texas freshman Jarrett Allen was hiring an agent and staying in the NBA draft. Just about everyone else could see this coming for weeks. A 6-foot-11 talent doesn’t come around often. Once it was clear that Allen would be a first-round pick, as many mock drafts have suggested, it was only a matter of time before the school released his final statement saying goodbye to the Longhorns. “It is with mixed emotions that I announce my decision to begin the process of hiring an agent and turning professional,” Allen said. “Throughout this basketball season, I felt l have grown as a basketball player and as a person while learning how to approach and prepare for the game.