In the grades provided by PFF, it’s inconsistencies in the offensive line unit which shows the biggest area for growth. The Pittsburgh Steelers continued their 2022 NFL season with their final preseason matchup on Sunday in Pittsburgh against the Detroit Lions. Although the Steelers came away with a victory, there were still areas of growth to work out over the next two weeks. While it was discouraging to see the offense settle for field goals, it was also encouraging to see the defense have a shutout in the first half. But how did the individual players grade out? For this…