To be a little more clear, defensive linemen are basically always blitzing, or trying to get to the QB/RB. When linebackers or backs do it, they stop their main focus of trying to cover receivers and just get to the QB/RB.
6/28 Meh-hem Fest
7/9-7/16 Van Halen :|
7/25 Alice in Chains?
9/29-30 Uncle Acid & The Deadbeats