2018 Pac-12 Conference Leaders Turnover Margin - Games in October Only through 01/07/2019
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | UCLA | 4 | 4 | 6 | 10 | 2 | 3 | 5 | 5 | 1.25 |
| 2 | Utah | 4 | 3 | 6 | 9 | 2 | 2 | 4 | 5 | 1.25 |
| 2 | Arizona | 4 | 4 | 5 | 9 | 2 | 4 | 6 | 3 | 0.75 |
| 4 | Colorado | 4 | 2 | 4 | 6 | 0 | 2 | 2 | 4 | 1.00 |
| 4 | California | 4 | 1 | 5 | 6 | 5 | 5 | 10 | -4 | -1.00 |
| 6 | Oregon | 3 | 0 | 4 | 4 | 3 | 1 | 4 | 0 | 0.00 |
| 6 | USC | 3 | 3 | 1 | 4 | 2 | 4 | 6 | -2 | -0.67 |
| 8 | Stanford | 3 | 1 | 2 | 3 | 3 | 2 | 5 | -2 | -0.67 |
| 8 | Washington | 4 | 1 | 2 | 3 | 1 | 5 | 6 | -3 | -0.75 |
| 10 | Washington State | 3 | 2 | 0 | 2 | 1 | 2 | 3 | -1 | -0.33 |
| 10 | Oregon State | 3 | 2 | 0 | 2 | 1 | 3 | 4 | -2 | -0.67 |
| 12 | Arizona State | 3 | 1 | 0 | 1 | 2 | 2 | 4 | -3 | -1.00 |