Why getting C Frank Ragnow back this week is key for Detroit Lions [Video]

Graham Glasgow did a great job last week stepping in for All-Pro center Frank Ragnow against Seattle. It’s why the Lions made signing the starting left guard such a priority this offseason.

But this week it’s trending toward Ragnow being back in the lineup at center after two weeks to rest and rehab his partially torn pectoral muscle.

It’s good timing too, facing a Dallas defense led by defensive coordinator Mike Zimmer, who is one of the best in the business at finding what an offense is trying to do in protection and knowing how to attack it.

Zimmer has been doing it for a long time and is the godfather of the double-A gap blitz. He’s evolved it over the years, and he always seems to find a way to get an unblocked player on the quarterback.

It’s why getting Ragnow back this week is big for Detroit.

“He’s got a lot of …