Nearing the end of a historic season, it was possible for Pittsburgh to make the playoffs only if they lost a game:
by losing, they might be in a 3-team tiebreaker which they would win.
otherwise, they would be in a 2-team tiebreaker, which they would lose.
What season was this, and what were the details of the potential tiebreaker situations?
Based on a recollection of late results, the scenario did not come about, and Chuck Noll was asked if he would intentionally lose if that was the only way to make the playoffs. His response: "What do you think?"