The combine is February 22-25.
Here is a link to NFL.com and there NFL Combine coverage: http://www.nfl.com/combine
Combine workout schedule:
» Saturday, Feb. 22: Tight ends, offensive linemen, special teams
» Sunday, Feb. 23: Quarterbacks, running backs, wide receivers
» Monday, Feb. 24: Defensive linemen, linebackers
» Tuesday, Feb. 25: Defensive backs