| Position | 1st Backup  | 2nd Backup | 3rd Backup | Fill Order |
| C | Fred "Wham-O" Frisbee | None | None | 1 |
| 1B | Tommy Leroy | Fred "Wham-O" Frisbee | None | 8 |
| 2B | Marty Yastrzemski | Tommy Leroy | Jay Cora | 8 |
| 3B | Marty Yastrzemski | Tommy Leroy | Greg Green | 8 |
| SS | Marty Yastrzemski | Tommy Leroy | Reginald Smyth | 2 |
| LF | Asahi Hirokawa | Juan Ponce de León | Jay Pernoll | 8 |
| CF | Asahi Hirokawa | Jay Pernoll | None | 8 |
| RF | Asahi Hirokawa | Juan Ponce de León | Jay Pernoll | 8 |
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