A defense that protects its second level is usually elite against the run. If linebackers are forced to fight off 300-pound linemen all game, they will eventually wear down, leading to "explosive" run plays where the back reaches the safety (third level) untouched.
Here is an informative breakdown of what this feature entails: 1. Defining the "Second Level" 3 : Defense and Reaching Second Level
On running plays, offensive linemen try to "climb" to the second level. This means after an initial double-team or chip block on a defensive lineman, one blocker releases to engage a linebacker. If the offense successfully reaches the second level, the running back often gains 10+ yards because the primary tacklers (linebackers) are being obstructed. 3. Defensive Counter-Strategies A defense that protects its second level is
When coaches talk about a defense's ability to "reach the second level," they are usually describing the chess match between offensive blockers and the defensive front. Defining the "Second Level" On running plays, offensive