| Position | 1st Backup  | 2nd Backup | 3rd Backup | Fill Order |
| C | Mike Difelice | None | None | 7 |
| 1B | Val Pascucci | Claudell Washington | Tommie Reynolds | 2 |
| 2B | Richie Hebner | Chico Perring | None | 3 |
| 3B | Richie Hebner | Chico Perring | None | 4 |
| SS | Don Zimmer | Chico Perring | None | 8 |
| LF | Jack Heidemann | Gary Rajsich | Tommie Reynolds | 6 |
| CF | Billy Romero | Gary Rajsich | Tommie Reynolds | 1 |
| RF | Clint Hurdle | Gary Rajsich | Tommie Reynolds | 5 |
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