| Past champions | |||
| Year | Winner | Score | Course |
| 1999 | Bruce Fleisher | 199 (17-under) | Silverado CC, Napa, Calif. |
| 1998 | Jim Colbert | 205 (11-under) | Silverado CC, Napa, Calif. |
| 1997 | Dave Eichelberger | 205 (11-under) | Silverado CC, Napa, Calif. |
| 1996 | John Bland | 204 (12-under) | Silverado CC, Napa, Calif. |
| 1995 | Lee Trevino | 201 (15-under) | Silverado CC, Napa, Calif. |
| 1994 | x-Kermit Zarley | 204 (12-under) | Silverado CC, Napa, Calif. |
| 1993 | Dave Stockton | 203 (13-under) | Silverado CC, Napa, Calif. |
| 1992 | Bob Charles | 200 (16-under) | Silverado CC, Napa, Calif. |
| 1991 | Charles Coody | 204 (12-under) | Silverado CC, Napa, Calif. |
| 1990 | Lee Trevino | 205 (11-under) | Silverado CC, Napa, Calif. |
| 1989 | Billy Casper | 207 (9-under) | Silverado CC, Napa, Calif. |
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