| Position | 1st Backup  | 2nd Backup | 3rd Backup | Fill Order |
| C | Gene Borden | None | None | 1 |
| 1B | George Brett | Pete Partenheimer | Wyman Bostock | 8 |
| 2B | George Brett | Ken Brooks | None | 4 |
| 3B | George Brett | Ken Brooks | None | 3 |
| SS | Clem Inger | Ken Brooks | George Brett | 2 |
| LF | Wyman Bostock | George Brett | Pete Partenheimer | 5 |
| CF | Wyman Bostock | George Brett | Pete Partenheimer | 6 |
| RF | Wyman Bostock | George Brett | Pete Partenheimer | 7 |
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