Here are the rankings of Pac-12 defenses from Oct 22/24 onward:
Yards per Game:
12th OregSt: 592.4
11th ASU: 537.4
10th Calif: 515.8
9th Arizon: 515.6
8th Oregon: 506.2
7th WashSt: 428.8
6th Colora: 401.8
5th USC: 400.3
4th UCLA: 394.8
3rd Stanf'd: 389.3
2nd Utah: 360.8
1st Washing: 354.5
Yards per Play:
12th OregSt: 7.26
11th ASU: 7.12
10th Calif: 6.57
9th Arizon: 6.51
8th Oregon: 6.30
7th Stanf'd: 6.21
6th USC: 6.04
5th WashSt: 5.72
4th Colora: 5.67
3rd: Utah: 5.13
2nd Washing: 5.05
1st: UCLA: 4.74
Yards per Game:
12th OregSt: 592.4
11th ASU: 537.4
10th Calif: 515.8
9th Arizon: 515.6
8th Oregon: 506.2
7th WashSt: 428.8
6th Colora: 401.8
5th USC: 400.3
4th UCLA: 394.8
3rd Stanf'd: 389.3
2nd Utah: 360.8
1st Washing: 354.5
Yards per Play:
12th OregSt: 7.26
11th ASU: 7.12
10th Calif: 6.57
9th Arizon: 6.51
8th Oregon: 6.30
7th Stanf'd: 6.21
6th USC: 6.04
5th WashSt: 5.72
4th Colora: 5.67
3rd: Utah: 5.13
2nd Washing: 5.05
1st: UCLA: 4.74