Jonathan Gannon was not the perfect hire by the Green Bay Packers, but that's because there's no such thing in the NFL.

Matt LaFleur chose Gannon, who was fired by the Arizona Cardinals after three seasons as head coach, because he felt he was a more than suitable replacement for Jeff Hafley -- now the head coach of the Miami Dolphins.

Gannon has strengths and weaknesses, just like any other defensive coordinator the Packers would have hired.

Had they gone with fan favorite Jim Leonhard, now the defensive coordinator of the Buffalo Bills, there would have been good things to talk about and bad things to talk about. Heck, they could have hired Steve Spagnuolo or Vic Fangio, and there would still be pluses and minuses.

That's just life in the NFL.

You've got to take the good with the bad, especailly when the good outweighs the bad.

For what it's worth, that seems to be the case with Gannon. Heck, even those outside the building see it.

In a well-rounded piece by long-time Packers beat writer Tom Silverstein, an anonymous NFC West personnel executive said this about Green Bay's new defensive coordinator:

“At times, he can get too cute. But overall, you respect his scheme. They [the Arizona Cardinals] just haven’t had the talent, and this past season when they had the talent on paper, it didn’t come together and click.”

So what do we know about Gannon getting too cute?

We know that he doesn't believe he has a scheme, per se. Here's what he said back when he was the defensive coordinator of the Philadelphia Eagles (per Silverstein):

“The head coach (Nick Sirianni) asked, 'What scheme are you going to run?' I said 'I don't have a scheme.' I believe that you have to be adaptable. We have to figure out what our players can do and put them in those positions as much as possible to utilize their strengths."

What that means is that Green Bay's defense may look a little bit different week to week. Gannon likes to play around with the secondary and create coverages that will confuse even NFL quarterbacks.

The plus side of that is that opposing offenses are going to have a hard time scouting the Packers defense week-to-week. The downside is that there's going to be more onus on the players to think and adapt quickly. When you're thinking on the football field, you're not playing fast.

Another positive note: We also know that Gannon really likes to use three safeties in the defensive backfield. This allows him to disguise coverages while at the same time having a safety available for blitzing or run-stopping situations.

The good news for the Pack and Gannon is that there are three awesome safeties on Green Bay's roster.

All-Pro Xavier McKinney highlights that group, but Evan Williams is an up-and-coming star, and Javon Bullard is a hard-hitting jack-of-all-trades cornerback/safety hybrid.

“Green Bay’s three safeties will fit well and be highlighted in his scheme,” the anonymous executive told Silverstein. “He likes to move the interior of the back end to change ‘Mike’ calls and try to get free [rushers].”

Again, nothing is perfect, and Gannon has to take these schemes and actually win games with them in Green Bay.

So far, though, what we're hearing about Gannon and his fit in Green Bay seems overly positive. There are some concerns, but the positives outweigh the negatives.

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