The NFL's best teams, and best defenses, are some of the league's heaviest blitzers ... and also some of its lowest.

The way things look, it is shaping up that the Colts will have their top choice when it comes to filling the defensive coordinator role.

According to Tom Pelissero of the NFL Network, the Falcons are hiring Jeff Ulbrich to be their next defensive coordinator. Ulbrich was previously the defensive coordinator for the New York Jets and took over as the interim head coach this season after Robert Saleh was fired.

Former Indianapolis Colts head coach Chuck Pagano is coming out of retirement to rejoin the Baltimore Ravens staff as a senior defensive secondary coach.

Lou Anarumo is ready to transform the Colts defense, but he admitted he can't do it alone. Here are five pieces Indianapolis can give him to help out.

In a significant shift in defensive philosophy, the Colts are hiring Lou Anarumo as defensive coordinator. He is far more aggressive than Gus Bradley

The Indianapolis Colts are need of help in the secondary and some good news for them in that regard--if they're willing to go down this path--is that this year's free agency class has a lot of top talent.

The #Colts are hiring Lou Anarumo as their defensive coordinator, sources tell The Insiders. One of the NFL’s most respected defensive minds, Anarumo spent the past six seasons as DC in Cincinnati. Now he takes over in Indy. pic.twitter.com/ddcvQCICU7

A change of scenery might help rejuvenate Lou Anarumo's career. The Indianapolis Colts certainly believe it can. On Thursday, three days after Anarumo was hired, the Colts defensive coordinator explained how he intends to use his flexible scheme and unwavering standards to lead a quick turnaround so Indy can end its playoff drought.

According to NFL Network Insider Ian Rapoport, the Dallas Cowboys are closing in on a deal with former Chicago Bears head coach Matt Eberflus to become their new defensive coordinator, marking a significant addition to Schottenheimer's staff.