| Position | 1st Backup  | 2nd Backup | 3rd Backup | Fill Order |
| C | John Roseboro | None | None | 1 |
| 1B | Ken McMullen | None | None | 8 |
| 2B | None | None | None | 7 |
| 3B | Daryl Spencer | None | None | 3 |
| SS | Maury M. Wills | None | None | 2 |
| LF | Frank "Hondo" Howard | None | None | 6 |
| CF | Willie "3 Dog" Davis | Frank "Hondo" Howard | None | 5 |
| RF | Willie "3 Dog" Davis | None | None | 4 |
|
