| 2011 | Oregon | 49 | UCLA | 31 |
| 2012 | Stanford | 27 | UCLA | 24 |
| 2013 | Stanford | 38 | Arizona State | 14 |
| 2014 | Oregon | 51 | Arizona | 13 |
| 2015 | Stanford | 41 | USC | 22 |
| 2016 | Washington | 41 | Colorado | 10 |
| 2017 | USC | 31 | Stanford | 28 |
| 2018 | Washington | 10 | Utah | 3 |
| 2019 | Oregon | 37 | Utah | 15 |
| 2020 | Oregon | 31 | USC | 24 |
| 2021 | Utah | 38 | Oregon | 10 |
| 2022 | Utah | 47 | USC | 24 |
| 2023 | Washington | 34 | Oregon | 31 |
| - | Northern Illinois | ---- | Northern Illinois | ---- |