The workouts start Thursday when the defensive linemen and the linebackers, where a 40-yard dash could mean the difference in earning millions of dollars on a first contract. One prospect who won't be participating is Penn State edge rusher Abdul Carter,

The first day of televised combine drills is scheduled to start at 3 p.m. EST and will be broadcast on NFL Network. Throughout the weekend there will be coverage on NFL Network with the drills taking place at 3 p.m. EST on Thursday and Friday and 1 p.m. EST on Saturday and Sunday.