Anyone worried about our offensive line?

From Whitworth to Noteboom. I like Noteboom but he isn't a great run blocker and hasn't been very durable. Hopefully he can make it through 17 games and the postseason. Corbett to Coleman Shelton. Shelton is still unproven who I would prefer as a backup center. Our depth: [rookie] Bruss, Anchrom and A. Jackson?