2018 Pac-12 Conference Leaders Passing Defense - On 4th Down through 01/07/2019
| Name | G | Att | Comp | Pct. | Yards | TD | Int | Rating | Long | 1st | 15+ | 25+ | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Oregon State | 3 | 3 | 1 | 33.3 | 6 | 0 | 0 | 50.13 | 6 | 1 | 0 | 0 |
| 2 | UCLA | 4 | 6 | 3 | 50.0 | 43 | 0 | 1 | 76.87 | 28 | 3 | 1 | 1 |
| 3 | Washington | 6 | 11 | 4 | 36.4 | 38 | 0 | 0 | 65.38 | 14 | 4 | 0 | 0 |
| 3 | Arizona | 4 | 8 | 4 | 50.0 | 38 | 0 | 0 | 89.90 | 16 | 3 | 1 | 0 |
| 5 | California | 6 | 7 | 5 | 71.4 | 47 | 0 | 0 | 127.83 | 24 | 5 | 1 | 0 |
| 5 | USC | 6 | 12 | 5 | 41.7 | 51 | 0 | 0 | 77.37 | 20 | 5 | 1 | 0 |
| 5 | Arizona State | 4 | 7 | 5 | 71.4 | 79 | 2 | 0 | 260.51 | 48 | 5 | 2 | 1 |
| 8 | Oregon | 9 | 14 | 6 | 42.9 | 82 | 1 | 0 | 115.63 | 25 | 6 | 3 | 1 |
| 9 | Washington State | 6 | 11 | 7 | 63.6 | 39 | 1 | 0 | 123.42 | 14 | 4 | 0 | 0 |
| 10 | Colorado | 9 | 16 | 8 | 50.0 | 84 | 4 | 0 | 176.60 | 26 | 7 | 2 | 1 |
| 11 | Utah | 9 | 16 | 10 | 62.5 | 102 | 0 | 1 | 103.55 | 33 | 7 | 2 | 1 |
| 11 | Stanford | 8 | 18 | 10 | 55.6 | 156 | 0 | 2 | 106.14 | 25 | 10 | 7 | 1 |
| 1st: First Downs; 15+: Pass completions of 15 or more yards; 25+: Pass completions of 25 or more yards | |||||||||||||