Packers shuffling their OTs?

With all the hullabaloo about how the Green Bay Packers gave up a country mile of rushing yardage to the San Francisco 49ers in their season-ending loss in January, many forget how much of an issue the team's offensive line was this past season. One of the concerns as we look ahead to 2013 is how they'll fill the slots at offensive tackle, and it's very likely we could see a combination we've never seen before.