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It wasn't long ago that the Vikings had a top-notch offensive line centered around Bryant McKinnie, Steve Hutchinson and Matt Birk.
Now Hutchinson is 33 years old and as good as he is, he still isn't in his prime anymore, McKinnie ate his way off of the roster, and Birk bolted for Baltimore a couple years back.
Bill Musgrave is going to have to find a way to pick up the pieces and cultivate some sort of formidable line if the Vikings want any chance at being a playoff team.
At center anything could happen, but odds are on John Sullivan starting, with the intriguing rookie Brandon Fusco breathing down his neck. Sullivan has had two years to claim the starting job for good, but he has been injury prone and had spotty play when he manages to stay on the field.
You have to give Sullivan the edge, though, because he has had flashes of brilliance and is obviously much more experienced than Fusco.
Jon Cooper may come into play due to his experience as Sullivan's backup, but he isn't quite starting material. Still, no matter who Musgrave decides on at center, there will be growing pains.
At left guard, Hutchinson has the spot locked down and will still be in Pro Bowl contention as usual, it would be a huge surprise if anyone else lines up left of center.
On the other side, Musgrave will again have a tough decision. The top two candidates will be Chris DeGeare and Anthony Herrera.
Herrera has been a valuable piece of the Vikings line wherever he's lined up for years, but he's coming off of a torn ACL and he already has eight years of NFL wear and tear on him at 31 years old.
Despite being a rookie, DeGeare did very well for himself last year and seems poised to be a valuable piece of the Vikings line for years to come. Musgrave will have to choose experience or potential here, and it will probably come down to whoever performs better at camp.
At left tackle the Vikings will finally line up somebody other than No. 74, but it will be interesting to see who the long-term replacement will be. The Vikings might have somebody in mind, seeing as they were rumored to be poised to let McKinnie go, but they also might have been so sick of him that they didn't even care.
After picking up ex-Colt Charlie Johnson, the Vikings added a very solid option, and he will very most likely start in the near future. For the long term, though, the drafting of DeMarcus Love out of Arkansas might have been a low-risk attempt at solving the problem. For going in the sixth round, he actually has a lot of upside.
Musgrave would be smart to go with Johnson for now, though, as he did a pretty good job at covering Peyton Manning's blindside for the last few years. McNabb needs all of the help he can get, and all indications are that Johnson has played quite well at training camp so far.
At right tackle, Phil Loadholt can hopefully overcome his nagging shoulder injury and continue to grow. He's still a solid prospect with plenty of upside. Otherwise, it's back to penalty-prone Ryan Cook, and that probably isn't a good thing, unless he's made drastic strides of improvement this offseason.
If Musgrave can figure out the center position and the right side of the line, the Vikings will automatically be a better football team.
It's more fair to say that it will be up to the offensive line coach Jeff Davidson to continue to develop the young talent while Musgrave works around the growing pains, but it will still be a challenge the new coordinator will face.