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There has been some frustration among Green Bay Packers fans lately about the run/pass ratio from the offense on first downs. During the lukewarm win against the Jacksonville Jaguars last Sunday, Mike McCarthy seemed to consistently call running plays on first down. Frustration with the predictability of the calls started to seep into the ever-watchful fans, and it became just another part of the team’s so-called “moral loss.”

Now, I have been slowly tracking a good number of statistics during the past eight weeks, most of which I haven’t even gotten into analyzing. One thing I do after each game is log every offensive play: the down, distance, yardage gained, how it was gained, who gained it, and the outcome. From there, I can gather a whole bunch of raw statistical information, a lot of which isn’t available on the popular NFL statistical websites.

One thing it has allowed me to track is the run/pass ratios on a down-by-down basis, which I have presented below. Now, in the following data, I have not accounted for plays in which penalties have been accepted, since a good number of times they are pre-snap penalties. This adds a little bit of error to the numbers, but it should be nothing of significance.

The first thing I want to show you is the total number of called runs and passes, as sorted by down and distance (click the image to enlarge):

2012 Run/Pass Ratios by Down and Distance  Read more... (889 words + 3 images, estimated 3:33 mins reading time)

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In response to the low yards per attempt by Alex Green last weekend, we had some good discussion in the comments regarding my statistical research on how the rushing game affects the success rate of NFL teams in the past ten years. The data seemed to show that the number of attempts had a higher correlation with winning than average yards per attempt.

Some people agreed, bringing up the Packers’ success during the two halves of the Seahawks and Colts games when they committed to running the ball more. Others argued that this was more of a secondary outcome, in which winning causes increased attempts and not the other way around.

We even had some suggestions for further statistical research, such as parsing out big runs and even comparing correlations in the passing game.

Before continuing my future research, I wanted to do a quick aggregate of both total attempts per game and total yards per game. These two categories showed a higher correlation to winning than yards per attempt, so what if we looked at them together?

Below is a table that charts win percentage in relationship to both attempts and yardage. Take a look:

Rushing Statistics and Success Rate, 2002-2011

First and foremost, this was an outcome I did not expect at all. Logic told me that we’d see more of a “diagonal” relationship with win percentages. In other words, the higher the yards and attempts combined, the better the percentage.  Read more... (410 words + 2 images, estimated 1:38 mins reading time)

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After Sunday afternoon’s 30-20 victory by the Green Bay Packers over the St. Louis Rams, I listened to Jason Wilde’s weekly appearance on ESPN Wisconsin’s radio show “Pack Attack.” The conversation immediately dove into a debate between Wilde, Bill Johnson, and Homer about the effectiveness of Alex Green’s rushing attempts. While he made 20 rushing attempts the entire game, Green only netted 35 yards for a 1.8 yards per carry average. His longest run was for 15 yards.

On one side of the debate was Jason Wilde, who maintained that making the attempts to run the ball was more important than their overall yards per carry. He posited that the defense’s linemen would have to account for a run, even if it wasn’t for significant yardage. That means they couldn’t just “pin their ears back” and go after the quarterback each down.

Opposing this idea was Bill and Homer, who both insisted that Green’s yards per carry was unacceptable and would need to get better in the future to ensure offensive success. They claimed that if the running game isn’t making traction, then the defense doesn’t really have to worry about it, period. (Jason Wilde eventually called them “stubborn” in their opinions.)

So which matters more – yards per carry or total rushing attempts? This really piqued my interest from a statistical standpoint, and I decided to head over to Pro-Football-Reference.com to being my research. My sample data was all games (regular season and postseason) within the past ten years (2002-2011) that matched the rushing criteria below.  Read more... (1438 words + 1 image, estimated 5:45 mins reading time)

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