In 2010, for example, Peppers finished with eight sacks and 23 quarterback pressures and was named to the AP All-Pro team.
Last year was better, with Peppers collecting 11 sacks and 55 quarterback pressures on the season but falling short of earning a second consecutive All-Pro win.
While the Bears offense has gotten most of the preseason press, the defense is once again under speculation of getting too old.
In typical Bears fashion, however, the defense consistently ranks as one of the best units in the NFL, and 2012 will be more of the same.
Here are reasons why Julius Peppers will challenge for some post season hardware.