JR Sweezy was a starting center for Seattle, went to TB in free agency where he started 14 games last year before breaking his leg. He supposedly has visited Seattle, I would definitely bring him in for a physical and see where he is at. Luke Joeckel might be worth a looksee at guard. He was the number 2 pick in the entire draft in 2013. Tim Barnes is a guy that started all 32 games in 2015-16 for the Rams and spent some time with San Fran last year. Alex Boone would be worth a look at guard if he is in any kind of shape. He got cut by the Vikes a year ago supposedly because he was out of shape.