| Quad Cities Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1971 | Deane Beman | 277 | Dow Finsterwald | 279 |
| 1972 | Deane Beman | 279 | Tom Watson | 280 |
| 1973 | Sam Adams | 268 | Dwight Nevil | 271 |
| 1973 | Kermit Zarley | 271 | ||
| 1974 | Dave Stockton | 271 | Bruce Fleisher | 272 |
| Ed McMahon-Jaycees Quad Cities Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1975 | Roger Maltbie | 275 | Dave Eichelberger | 276 |
| 1976 | John Lister | 268 | Fuzzy Zoeller | 270 |
| 1977 | Mike Morley | 267 | Bob Murphy | 269 |
| 1977 | Victor Regalado | 269 | ||
| 1978 | Victor Regalado | 269 | Fred Marti | 270 |
| 1979 | D.A. Weibring | 266 | Calvin Peete | 268 |
| Quad Cities Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1980 | Scott Hoch | 266 | Curtis Strange | 269 |
| 1981 | Dave Barr | 270 | Woody Blackburn | 270 |
| 1981 | Frank Conner | 270 | ||
| 1981 | Dan Halldorson | 270 | ||
| 1981 | Victor Regalado | 270 | ||
| Miller High Life QCO | ||||
| Year | Winner | Score | Runner up | Score |
| 1982 | Payne Stewart | 268 | Brad Bryant | 270 |
| 1982 | Pat McGowan | 270 | ||
| 1983 | Danny Edwards | 266 | Morris Hatalsky | 266 |
| 1984 | Scott Hoch | 266 | George Archer | 271 |
| 1984 | Vance Heafner | 271 | ||
| 1984 | Dave Stockton | 271 | ||
| Lite Quad Cities Open | ||||
| Year | Winner | Score | Runner up | Score |
| 1985 | Dan Forsman | 267 | Bob Tway | 268 |
| Hardee's Golf Classic | ||||
| Year | Winner | Score | Runner up | Score |
| 1986 | Mark Wiebe | 268 | Curt Byrum | 269 |
| 1987 | Kenny Knox | 265 | Gil Morgan | 266 |
| 1988 | Blaine McCallister | 261 | Dan Forsman | 264 |
| 1989 | Curt Byrum | 268 | Bill Britton | 269 |
| 1989 | Brian Tennyson | 269 | ||
| 1990 | Joey Sindelar | 268 | Willie Wood | 268 |
| 1991 | D.A. Weibring | 267 | Paul Azinger | 268 |
| 1991 | Peter Jacobsen | 268 | ||
| 1992 | David Frost | 266 | Tom Lehman | 269 |
| 1992 | Loren Roberts | 269 | ||
| 1993 | David Frost | 259 | Payne Stewart | 266 |
| 1993 | D.A. Weibring | 266 | ||
| 1994 | Mark McCumber | 265 | Kenny Perry | 266 |
| Quad City Classic | ||||
| Year | Winner | Score | Runner up | Score |
| 1995 | D.A. Weibring | 197 | Jonathan Kaye | 198 |
| 1996 | Ed Fiori | 268 | Andrew Magee | 270 |
| 1997 | David Toms | 265 | Brandel Chamblee | 268 |
| 1997 | Robert Gamez | 268 | ||
| 1997 | Jimmy Johnston | 268 | ||
| 1998 | Steve Jones | 263 | Scott Gump | 264 |
| John Deere Classic | ||||
| Year | Winner | Score | Runner up | Score |
| 1999 | J.L. Lewis | 261 | Mike Brisky | 261 |
| 2000 | Michael Clark II | 265 | Kirk Triplett | 265 |
| 2001 | David Gossett | 265 | Briny Baird | 266 |
| 2002 | J.P. Hayes | 262 | Robert Gamez | 266 |
| 2003 | Vijay Singh | 268 | Chris Riley | 272 |
| 2003 | Jonathan Byrd | 272 | ||
| 2003 | J.L. Lewis | 272 | ||
| 2004 | Mark Hensby | 268 | John Morgan | 268 |
| 2005 | Sean O'Hair | 268 | Robert Damron | 269 |
| 2005 | Hank Kuehne | 269 | ||
| 2006 | John Senden | 265 | J.P. Hayes | 266 |
| 2007 | Jonathan Byrd | 266 | Tim Clark | 267 |