Oklahoma football loses several key defensive players heading into 2013. Sooner fans will miss seeing names like Demontre Hurst, Javon Harris and David King on the gridiron.
However, the Sooners also retain key components of the defense. Barring premature exits to the NFL draft, Tony Jefferson, Aaron Colvin and Tom Wort should all return. These playmakers will be key to the team's defensive success.
Broadly, next year's defense will have plenty of new faces, but the unit has considerable potential. The key will be for returning leaders to perform at high levels to ease the transition for their raw teammates.
Here is an early look at the 2013 defensive depth chart for the Sooners.