(photo on right from The Marvin Hillhouse Collection)
| Year | Team | League | Class | W | L | SV | ERA | G | GS | CG | IP | H | R | ER | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1998 | GCL Red Sox | Gulf Coast | Rookie | 4 | 4 | 0 | 4.84 | 11 | 8 | 0 | 45 | 52 | 26 | 24 | 13 | 39 |
| 1999 | Princeton DevilRays | Appalachian | Rookie | 0 | 0 | 0 | 1.86 | 7 | 0 | 0 | 10 | 16 | 10 | 2 | 7 | 9 |
| 2001 | Tyler Roughnecks | All-American Association | IND | 2 | 2 | 0 | 5.98 | 12 | 8 | 1 | 46.2 | 61 | 39 | 31 | 16 | 35 |