![Kiko Alonso - XN Sports Kiko Alonso](https://xnsports.tempurl.host/wp-content/uploads/2014/07/Kiko-Alonso-e1404329869686-300x140.jpg)
![Kiko Alonso - XN Sports Kiko Alonso](https://xnsports.tempurl.host/wp-content/uploads/2014/07/Kiko-Alonso-e1404329869686-300x140.jpg)
The NFL offseason has been especially unkind to linebackers, sidelining four major defensive leaders — perhaps for the season — in most cases.
Injuries are always devastating, and these are no exception, as they have the ability to instantly change the course of a defense and team for the season.
Here are the top five most devastating injuries to take place over the NFL offseason: