2018 Pac-12 Conference Leaders Passes Defended - Games Lost Only through 01/07/2019
| Name | G | Int. | Passes Broken Up | Passes Defended | Passes Defended/G | |
|---|---|---|---|---|---|---|
| 1 | California | 6 | 6 | 13 | 19 | 3.17 |
| 2 | UCLA | 9 | 5 | 36 | 41 | 4.56 |
| 2 | Colorado | 7 | 5 | 17 | 22 | 3.14 |
| 2 | Utah | 5 | 5 | 16 | 21 | 4.20 |
| 2 | Arizona State | 6 | 5 | 16 | 21 | 3.50 |
| 6 | Oregon State | 10 | 3 | 29 | 32 | 3.20 |
| 6 | Oregon | 4 | 3 | 18 | 21 | 5.25 |
| 8 | USC | 7 | 2 | 36 | 38 | 5.43 |
| 9 | Arizona | 7 | 1 | 20 | 21 | 3.00 |
| 9 | Washington State | 2 | 1 | 0 | 1 | 0.50 |
| 11 | Washington | 4 | 0 | 14 | 14 | 3.50 |
| 11 | Stanford | 4 | 0 | 11 | 11 | 2.75 |