Green Bay Packers C Scott Wells' roster spot could be in jeopardy. Wells will need to compete for the starting center job, but he will have a difficult time after missing all offseason recovering from major shoulder surgery. OL Duke Preston and OL Tony Moll are both capable of backing up multiple positions along the offensive line, which could leave Wells out of a spot on the team. Source: Pete Dougherty, Green Bay Press-Gazette,