Big 12 efficiency ratings: OU defense ranks 8th

Texas tailback Keaontay Ingram runs through an OU tackle Saturday. (AP Photo)

I always start my Big 12 efficiency ratings after three weeks of conference play. I use only conference games, because frankly I don’t care how a team does against one of the Dakotas or Texas-San Antonio.

So now we’ve reached three weeks of conference play – save for TCU and Texas Tech, who meet Thursday night in Fort Worth – and it’s time to measure the most important thing an offense or defense can do.

Forget yards. They are more distorted than a North Koreans newscast.

Forget points per game. No games are created equal. OSU and Iowa State each had 15 full offensive possessions in their game last week. Texas had…