When Isaac Seumalo went down with a shoulder injury in Week Thirteen against the Arizona Cardinals, Nate Herbig had to step in and play left guard. He played 31 offensive snaps and played pretty well off the bench. The last action he saw on offense before the Cardinals game was in Week Four and Five. His play was not great in those two games, but he played really well against the Cardinals.
He was the Steelers’ highest graded offensive player in the game by Pro Football Focus with a 91.8 overall offensive grade. Included in that grade was a 91.