2018 Pac-12 Conference Leaders Turnover Margin - Games in August/September Only through 01/07/2019
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Arizona State | 5 | 4 | 3 | 7 | 1 | 1 | 2 | 5 | 1.00 |
| 2 | Oregon State | 5 | 2 | 2 | 4 | 5 | 2 | 7 | -3 | -0.60 |
| 2 | Utah | 4 | 1 | 3 | 4 | 7 | 2 | 9 | -5 | -1.25 |
| 4 | Colorado | 4 | 4 | 3 | 7 | 1 | 3 | 4 | 3 | 0.75 |
| 4 | Arizona | 5 | 3 | 1 | 4 | 2 | 3 | 5 | -1 | -0.20 |
| 4 | UCLA | 4 | 3 | 1 | 4 | 2 | 3 | 5 | -1 | -0.25 |
| 4 | USC | 5 | 2 | 1 | 3 | 4 | 3 | 7 | -4 | -0.80 |
| 8 | Stanford | 5 | 4 | 5 | 9 | 0 | 4 | 4 | 5 | 1.00 |
| 9 | Oregon | 5 | 2 | 8 | 10 | 4 | 5 | 9 | 1 | 0.20 |
| 9 | Washington State | 5 | 1 | 5 | 6 | 1 | 5 | 6 | 0 | 0.00 |
| 9 | Washington | 5 | 5 | 1 | 6 | 2 | 5 | 7 | -1 | -0.20 |
| 12 | California | 4 | 1 | 7 | 8 | 4 | 6 | 10 | -2 | -0.50 |