The phrase opposites attract has commonly been used in reference to the dating world, but it also applies to NFL head coaching searches. Over the years, there has been a track record of NFL teams targeting head coaching candidates with a background opposite to that of who they fired.

The NFL coaching carousel is spinning slowly. The Jets, Saints and Bears got a head start in their searches because they fired coaches during the season. The Jaguars and Raiders joined the hunt last week. The Cowboys jumped in Monday so they have to wait to interview assistants on playoff teams because the first window passed.

“I’m a coach ,” Glenn said. “I just happen to be on defense. I understand the offense just as well as a number of people. If you want to hire me, you’re going to hire a coach. You’re not gonna hire a defensive coach. I’m gonna talk to the offense just as much as I’m gonna talk to the defense.”

There are currently seven head coaching vacancies in the NFL, including the Jets, where Glenn played eight seasons between 1994-2001. He earned consecutive Pro Bowl nods in 1998 and 1999 and led the NFL with two interception touchdowns in 1996.

Despite his disastrous stint with the Las Vegas Raiders as their head coach, Josh McDaniels could get another job in the NFL this year. Here's a look at which team is considering the failed former head coach for a job opening.