The reason: he was Johnson once. Allen, the Bears ’ new defensive coordinator, was a 39-year-old first-time head coach when the Raiders started their 2012 regular season. Johnson will be 39 when the Bears play their first game with him as their head coach.

In his introduction on Thursday, Dennis Allen was asked about what his style of defense would look like. The word “aggressive” came up multiple times as part of what to expect under the new DC.

We spoke with John Sigler of Saints Wire to give us a rundown on what we can expect from new Bears defensive coordinator Dennis Allen.