Question: Explain raw pass defense vs pass eff. defense

bamafaninbham

1st Team
Jul 19, 2004
837
264
82
Homewood
Reading Jess' preview each week, I keep meaning to ask what do the stats of raw pass defense and pass efficiency defense means. Each week Bama seems to be above average in the first stat, but almost twice as bad with the latter stat. Can someone explain what each stat means? Thanks
 

CoachJeff

All-American
Jan 21, 2014
2,905
1,577
187
Shelby County Alabama
If a QB goes 20 for 45 for 300 yards, 1 TD and 2 INTs they will have 300 yards passing, which looks bad. But their efficiency is not great since they completed fewer than half of their passes and had more INTS than TDs. For example, Alabama is 5th in the SEC defensively in passing yards per game but 9th in pass efficiency defense. That's because Alabama allows opponents to complete 64% of their passes and teams have more TDs than INTs.

So raw pass/rush/total defense is just the total. When you you take efficiency into account it gives a better picture.

So Bama is #2 in the SEC in yards per game defensively. The thing is - they're giving up 5.0 yards per play (6th in conference) and are in the bottom half of points per game.

It's important to look at more than just raw numbers. You have to look at it a little deeper. Alabama, for example, has defended the second fewest plays on defense per game, so that makes the raw stats look better. Part of that is Alabama is playing at a slower pace than in years past.
 

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