Here are five things to know about Allen, the Bears' new defensive coordinator:

The Chicago Bears have found their new coordinators under first-year head coach Ben Johnson.

Bears new head coach Ben Johnson is starting to fill key positions on his staff, hiring ex-Saints head coach Dennis Allen as defensive coordinator, per NFL Network’s Ian Rapoport. Johnson has also landed on Broncos tight ends coach Declan Doyle as his offensive coordinator, according to NFL Network’s Tom Pelissero.

There will reportedly be a notable name on Chicago Bears head coach Ben Johnson's staff in his first year at the helm. NFL Network's Ian Rapoport

The Chicago Bears are bringing in former New Orleans Saints head coach Dennis Allen to serve as their next defensive coordinator, sources told NFL Network's Ian Rapoport.They're also hiring Denver Broncos tight ends coach Declan Doyle to be their offensive coordinator,

New Bears head coach Ben Johnson has his offensive coordinator. And he's a young option to run the offense via the Broncos.

Less than one week after being hired as the 19th head coach in Chicago Bears history, Ben Johnson has chosen his three coordinators.

In another offseason full of positives, the Bears added to their coaching staff, hiring ex-Saints HC Dennis Allen as their next DC.

The Chicago Bears are hiring Dennis Allen as their defensive coordinator, according to NFL Network's Ian Rapoport, under new head coach Ben Johnson.

Dennis Allen was fired as the Saints head coach on Nov. 3 and will now run the defense for new coach Ben Johnson in Chicago.

Ben Johnson took a major step toward completing his coaching staff Sunday night. The new Chicago Bears head coach, who was introduced at Halas Hall on Wednesday, didn’t take long to fill all three coordinator roles.