2018 Pac-12 Conference Leaders Passes Defended - Games in August/September Only through 01/07/2019
| Name | G | Int. | Passes Broken Up | Passes Defended | Passes Defended/G | |
|---|---|---|---|---|---|---|
| 1 | Oregon | 5 | 8 | 28 | 36 | 7.20 |
| 2 | California | 4 | 7 | 18 | 25 | 6.25 |
| 3 | Stanford | 5 | 5 | 31 | 36 | 7.20 |
| 3 | Washington State | 5 | 5 | 16 | 21 | 4.20 |
| 5 | Arizona State | 5 | 3 | 20 | 23 | 4.60 |
| 5 | Utah | 4 | 3 | 19 | 22 | 5.50 |
| 5 | Colorado | 4 | 3 | 15 | 18 | 4.50 |
| 8 | Oregon State | 5 | 2 | 11 | 13 | 2.60 |
| 9 | USC | 5 | 1 | 33 | 34 | 6.80 |
| 9 | Arizona | 5 | 1 | 23 | 24 | 4.80 |
| 9 | Washington | 5 | 1 | 21 | 22 | 4.40 |
| 9 | UCLA | 4 | 1 | 15 | 16 | 4.00 |