Over the next few weeks the Pac-12 Blog will be doing position group rankings for the conference. Up today is running backs.
The first thing to know is that this is not a ranking of the team's run games. It's a ranking of the running backs' production and efficiency. So, while a team like Arizona might've led the conference in total rushing, the Wildcats will find themselves lower on this list since when you take out quarterback runs, Arizona actually finished 11th in the conference in rushing yards per game, averaging fewer than 100 rushing yards per game from running backs.