When the San Francisco 49ers and Detroit Lions clash this weekend at Ford Field, it will be arguably the game of the NFL season so far.

On the other side, the 49ers also have a top-10 defensive line, but may have one of the better, more underrated offensive lines. Led by Mike Iupati, this corps may be up to the challenge of stopping the freight train that is the Detroit defense.

Via: http://bleacherreport.com