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| Name | Team | Age |
| Toshiyoshi Oshi | Retired (2027, Age 36) | 72 |
| Drafted | Position | Bats/Throws |
| Round 3, Pick 44 (2022) |
RP | L/L |
| League | Option Years
|
Majors Service Time |
| Luis Aparicio League | 0 | 2 years (51 games) |
| Total Rating
|
Arm | Range |
| Contact vs R | Contact vs L | Speed |
| Power vs R | Power vs L | Bunting |
| Endurance | Velocity | Control |
| Leadership
|
Mentor Value
|
|
| Health
|
Injured Days
|
Birthday |
| 0 | 8/2/1991 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 1 | 2 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Year
|
Team | W | L | G | GS | CG | SHO | SV | BS | IP | H | R | ER | HBP | BB | SO | WHIP | ERA |
| 2023 | MIL-PIT | 0 | 2 | 11 | 0 | 0 | 0 | 1 | 1 | 14.0 | 17 | 15 | 15 | 0 | 9 | 16 | 1.86 | 9.64 |
| 2024 | PIT | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| 2025 | PIT | 4 | 3 | 49 | 0 | 0 | 0 | 1 | 3 | 61.0 | 63 | 33 | 33 | 1 | 22 | 38 | 1.39 | 4.87 |
| 2026 | PIT | 2 | 3 | 40 | 0 | 0 | 0 | 0 | 2 | 37.1 | 54 | 30 | 26 | 0 | 22 | 24 | 2.04 | 6.27 |
| 2064 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | |
| Total | 6 | 8 | 101 | 0 | 0 | 0 | 2 | 6 | 113.1 | 134 | 78 | 74 | 1 | 53 | 78 | 1.65 | 5.88 |
| Date | Transaction |
| 2027-11-01 | Toshiyoshi Oshi has retired from the Pittsburgh River Cats |
| 2027-03-25 | The Pittsburgh River Cats have designated Footer Hands for assignment. The Pittsburgh River Cats have designated Toshiyoshi Oshi for assignment. |
| 2024-09-19 | The Pittsburgh River Cats have promoted Toshiyoshi Oshi to the major league team. |
| 2024-03-25 | The Pittsburgh River Cats have renamed Toshiyoshi Niimi to Toshiyoshi Oshi. |
| 2023-10-01 | The Pittsburgh River Cats have acquired Toshiyoshi Niimi from the waiver wire. |
| 2023-07-02 | The Milwaukee Maniacs have promoted Guy Lilliquist to the major league team. The Milwaukee Maniacs have promoted Monte Young to the major league team. The Milwaukee Maniacs have promoted Claude Havens to the major league team. The Milwaukee Maniacs have waived Toshiyoshi Niimi. The Milwaukee Maniacs have waived Dave Aber. The Milwaukee Maniacs have waived Todd Westlake. |
| 2023-06-06 | The Milwaukee Maniacs have promoted Toshiyoshi Niimi to the major league team. |
| 2023-06-06 | The Milwaukee Maniacs have acquired Toshiyoshi Niimi from the waiver wire. |
| 2023-04-18 | The Milwaukee Maniacs have promoted Mark Richardson to the major league team. The Milwaukee Maniacs have waived Toshiyoshi Niimi. |
| 2023-03-25 | The Milwaukee Maniacs have promoted Toshiyoshi Niimi to the major league team. The Milwaukee Maniacs have promoted Todd Westlake to the major league team. The Milwaukee Maniacs have sent Jim Brenner to the minors. The Milwaukee Maniacs have waived Harry Osborne. |
| 2023-03-25 | The Milwaukee Maniacs have acquired Toshiyoshi Niimi from the waiver wire. |
| 2022-04-06 | The Tampa Bay Tarpons have waived Toshiyoshi Niimi. |