The 2012 NFL season has managed to stick out as one of the worst years for offensive lines in recent memory—the lines at the bottom of the league are just that bad.
A horrible offensive line can singlehandedly ruin the season for a squad. If the quarterback does not have time to progress through his reads and make the throw, a team simply cannot win games.
The worst lines in the league are typically classified as such by examining their offensive rankings as well as counting how many quarterback disruptions the offensive line has allowed—a total of quarterback sacks, knockdowns and hurries.
There are bad lines in the NFL—then there are these five lines. Let's rank the five most disastrous lines in the NFL today.
Editor's Note: All pass and run-blocking efficiency rankings courtesy of ProFootballFocus.