HARRISON, N.Y. -- The tournament began in 1967 as the Westchester Classic, becoming the American Express Westchester Classic in 1976, the Manufacturers Hanover Westchester Classic in 1979, the Buick Classic in 1990 and the Barclays Classic in 2005. (x-won in playoff; y-weather-shortened).
| Past champions | |||
| YEAR | WINNER | SCORE | COURSE |
| 2005 | Padraig Harrington | 274 (10-under) | Westchester CC |
| 2004 | x-Sergio Garcia | 272 (12-under) | Westchester CC |
| 2003 | Jonathan Kaye | 271 (13-under) | Westchester CC |
| 2002 | Chris Smith | 272 (12-under) | Westchester CC |
| 2001 | Sergio Garcia | 268 (16-under) | Westchester CC |
| 2000 | x-Dennis Paulson | 276 (8-under) | Westchester CC |
| 1999 | x-Duffy Waldorf | 276 (8-under) | Westchester CC |
| 1998 | xy-J.P. Hayes | 201 (12-under) | Westchester CC |
| 1997 | Ernie Els | 268 (16-under) | Westchester CC |
| 1996 | Ernie Els | 271 (13-under) | Westchester CC |
| 1995 | x-Vijay Singh | 278 (6-under) | Westchester CC |
| 1994 | Lee Janzen | 268 (16-under) | Westchester CC |
| 1993 | x-Vijay Singh | 280 (4-under) | Westchester CC |
| 1992 | David Frost | 268 (16-under) | Westchester CC |
| 1991 | Billy Andrade | 273 (11-under) | Westchester CC |
| 1990 | Hale Irwin | 269 (15-under) | Westchester CC |
| 1989 | x-Wayne Grady | 277 (7-under) | Westchester CC |
| 1988 | x-Seve Ballesteros | 276 (8-under) | Westchester CC |
| 1987 | x-J.C. Snead | 276 (8-under) | Westchester CC |
| 1986 | Bob Tway | 272 (12-under) | Westchester CC |
| 1985 | x-Roger Maltbie | 275 (9-under) | Westchester CC |
| 1984 | Scott Simpson | 269 (15-under) | Westchester CC |
| 1983 | Seve Ballesteros | 276 (8-under) | Westchester CC |
| 1982 | Bob Gilder | 261 (23-under) | Westchester CC |
| 1981 | Raymond Floyd | 275 (9-under) | Westchester CC |
| 1980 | Curtis Strange | 273 (11-under) | Westchester CC |
| 1979 | Jack Renner | 277 (7-over) | Westchester CC |
| 1978 | Lee Elder | 274 (10-under) | Westchester CC |
| 1977 | Andy North | 272 (12-under) | Westchester CC |
| 1976 | David Graham | 272 (12-under) | Westchester CC |
| 1975 | x-Gene Littler | 271 (17-under) | Westchester CC |
| 1974 | Johnny Miller | 269 (15-under) | Westchester CC |
| 1973 | x-Bobby Nichols | 272 (16-under) | Westchester CC |
| 1972 | Jack Nicklaus | 270 (18-under) | Westchester CC |
| 1971 | Arnold Palmer | 270 (18-under) | Westchester CC |
| 1970 | Bruce Crampton | 273 (15-under) | Westchester CC |
| 1969 | Frank Beard | 275 (13-under) | Westchester CC |
| 1968 | Julius Boros | 272 (16-under) | Westchester CC |
| 1967 | Jack Nicklaus | 272 (16-under) | Westchester CC |
