For now he intends to stay focused on the upcoming season and on his studies. But it's not easy. Recently New York Jet running back Blair Thomas returned to Penn State, his alma mater, driving a new Mercedes-Benz. Thomas showed off the car's custom stereo system with a personalized nameplate. He opened all the doors and cranked up the volume, sending tremors throughout the eastern edge of campus. McDuffie often finds himself thinking about Thomas's car and about buying one of his own, preferably a BMW 850. Then he, too, will return to State College with his stereo system throbbing to the sounds of Juice.