They serve. They protect. They can knock you on your butt and make you look silly. These unheralded grunts of the NFL generally get no love from the casual fan-- and to make matters worse, they seemingly get even less love from fantasy football players. And nothing couldbe a greater tragedy.

Peyton Manning is able to put up huge numbers in large part due to the effectiveness of the five guys  who keep his jersey clean. The Bronocs seem like geniuses for churning out 1,000 yard rushers year after year-- but while the rushers' name always change, the names of the guys up front rarely do.

You get the point: a knowledge of each team's offensive line, their strengths and weaknesses, will give you an extra edge over your more ignorant opponents. So don't waste another minute... check out Sports Grumblings'  Baker Leigh as he hands out his grades and analysis of each team's offensive line.