Slimmed-down Houston ready to run for Tar Heels Posted Aug 25, 2010 Ryan Houston figures slimming down won’t stop him from being the battering ram in UNC’s ground attack. Three years after arriving on campus as a 273-pound freshman, Houston is down almost 40 pounds entering his senior season. He’s been a proven goal-line option and a lead ball carrier capable of wearing down defenses, and coach Butch Davis has said Houston is off to his best training camp with the No. 18 Tar Heels. (WRAL Sports Fan)