INDIANAPOLIS -- Who will be the NFL 's fastest man this year?Many expect Miami wide receiver to be that guy, and there's even increasing buzz that he can challenge the modern record in the 40-yard dash, 's 4.24 seconds.At , however, Dorsett declined to take Don Sutton Jersey the bait in making a prediction for his 40 time."I don't have one," Dorsett said. "I'm just going to go out there and run...