Grading the 49ers’ offensive line: Past and present
The San Francisco 49ers had the best offensive line in the NFL when they played in the Super Bowl a couple of years ago. Here’s how I grade that offensive line player by player: LT Joe Staley: A. The best offensive tackle in the league in 2012. LG Mike Iupati: A-. One of the best left guards in the NFL along with Evan Mathis of the Eagles and Ben Grubbs…