Here are the snap counts for the Steelers offense and defense versus the Vikings. Heath Miller was in for almost every offensive snap. Will Johnson only saw 10 snaps, two of which where he was a receiver. David Johnson saw 24 snaps, 11 of those plays he was the run blocker (and did pretty well).

Steelers Offense Snap Counts

[table id=20/]

Steelers Defense Snap Counts

[table id=21 /]