One of the best analyses I've seen of who is truly pass heavy / run heavy did you know that the Packers rank 21st in pass attempts this season? the statistics did not tell the true story. Those teams passed so successfully that they frequently found themselves in run-favorable situations. Every N.F.L. fan knows that trailing teams tend to pass more frequently than winning teams, and the disparity is stronger the larger the lead or deficit. For example, teams this season are passing on 74 percent of plays when trailing by 17 to 24 points, but that drops to 44 percent when leading by such a margin. How a game unfolds has a large impact on the ultimate run/pass ratio of a team. To truly understand a team’s offensive philosophy, you need to take into account the scoring flow of the game. Finally, I noted how much the team with the ball was leading or trailing by at the start of each play; that will help to give us a general sense of whether it is a passing or running situation. For example, when the Lions came back from a 20-point deficit against the Vikings, the average scoring margin on Detroit plays was -8.5; not surprisingly, the Lions passed on 74 percent of plays in that game (passing plays include sacks). As you’d expect, the Packers have been in front most of the time this season. That helps explain why they haven’t passed as frequently as you might think. Note who the truly pass heavy teams are (GB, BAL, PIT, NEP) and who the run heavy teams are (DEN, OAK, KC, JAX).