Overall the Colts have a better offensive line. However, the Steelers starters are physically stronger. The biggest difference between the two lines is the footwork in pass-blocking situations. The Colts are superior to the Steelers in this facet of the game.
The Steelers are slightly better in the running game. Their advantage in this area would be more pronounced if the coaches start Pouncey at right guard this season. The passing game can be improved during the upcoming offseason by either drafting a better left tackle or signing a better left tackle during the free agency period.
The difference between the Steelers’ line and the Colts’ line, as a whole, is not what the casual observer would expect. Not only is the Colts’ offensive line not as good as many fans expect, but the Steelers’ line is better than expected.
It is true that the Steelers give up more sacks. However, on top of the Pittsburgh’s footwork issues, Ben Roethlisberger’s tendency to hold onto the ball while trying to make a play adds to their sack count every year.
Overall, Pittsburgh’s line is an average unit. They’re one of the physically strongest units in the league with below average footwork, due in part to their size and bulk.
While the Steelers line could improve particularly in pass-protection, they are also victims of more successful Steelers’ offensive lines from years past. Steelers’ fans expect an elite offensive line. This year, the offensive line in Pittsburgh will once again fall miserably short of the fans’ expectations.