| Season | Champion | % Correct |
|---|---|---|
| 2019 | Oregon Ducks | 95%
|
| 2020 | Oregon Ducks | 93%
|
| 2021 | Utah Utes | 91%
|
| 2018 | Washington Huskies | 90%
|
| 2014 | Oregon Ducks | 88%
|
| 2017 | USC Trojans | 88%
|
| 2011 | Oregon Ducks | 81%
|
| 2009 | Oregon Ducks | 81%
|
| 2015 | Stanford Cardinal | 81%
|
| 2013 | Stanford Cardinal | 81%
|
| 2008 | USC Trojans | 81%
|
| 2016 | Washington Huskies | 81%
|
| 2010 | Oregon Ducks | 79%
|
| 2012 | Stanford Cardinal | 79%
|
| 2007* | USC Trojans | 74%
|
| 2006* | USC Trojans | 67%
|
| 2004** | USC Trojans | 66%
|
| 2003** | USC Trojans | 64%
|
| 2002* | USC Trojans | 62%
|
| 2005 | USC Trojans | 60%
|
| 2007* | Arizona State Sun Devils | 48%
|
| 2001 | Oregon Ducks | 47%
|
| 2006* | California Golden Bears | 41%
|
| 2002* | Washington State Cougars | 29%
|
| 1984 | USC Trojans | 24%
|
| 1979 | USC Trojans | 24%
|
| 1991** | Washington Huskies | 24%
|
| 1995* | USC Trojans | 22%
|
| 2000* | Washington Huskies | 22%
|
| 1993* | USC Trojans | 21%
|
| 1978** | USC Trojans | 21%
|
| 1992* | Washington Huskies | 21%
|
| 1989 | USC Trojans | 19%
|
| 1988 | USC Trojans | 19%
|
| 1987* | USC Trojans | 19%
|
| 1981 | Washington Huskies | 19%
|
| 1999 | Stanford Cardinal | 17%
|
| 1993* | UCLA Bruins | 17%
|
| 1980 | Washington Huskies | 17%
|
| 1998 | UCLA Bruins | 16%
|
| 1987* | UCLA Bruins | 16%
|
| 1982 | UCLA Bruins | 16%
|
| 1990 | Washington Huskies | 16%
|
| 1983 | UCLA Bruins | 14%
|
| 1995* | Washington Huskies | 14%
|
| 1993* | Arizona Wildcats | 12%
|
| 1992* | Stanford Cardinal | 12%
|
| 1997* | UCLA Bruins | 12%
|
| 1985 | UCLA Bruins | 12%
|
| 1996 | Arizona State Sun Devils | 7%
|
| 1997* | Washington State Cougars | 7%
|
| 1986 | Arizona State Sun Devils | 5%
|
| 2000* | Oregon State Beavers | 3%
|
| 2000* | Oregon Ducks | 2%
|
| 1994 | Oregon Ducks | 0%
|