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| Name | Team | Age |
| Masahiko Shirai | Retired (2029, Age 34) | Died (2073, Age 78) |
| Drafted | Position | Bats/Throws |
| Round 2, Pick 30 (2023) |
RP | L/L |
| League | Option Years
|
Majors Service Time |
| Wally Berger League | 0 | 6 years (0 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 | 8/21/1995 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 0 |
| 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 | Vs | G | IP | SO | BB | H | WHIP |
| 2024 | AHB | 3 | 2.0 | 2 | 0 | 3 | 1.50 |
| 2024 | HHB | 5 | 4.1 | 8 | 3 | 5 | 1.85 |
| 2024 | LHB | 2 | 0.1 | 0 | 0 | 2 | 6.00 |
| 2024 | RHB | 8 | 6.0 | 10 | 3 | 6 | 1.50 |
| 2025 | AHB | 25 | 29.1 | 24 | 11 | 34 | 1.53 |
| 2025 | HHB | 26 | 29.0 | 36 | 24 | 37 | 2.10 |
| 2025 | LHB | 36 | 13.2 | 12 | 4 | 21 | 1.83 |
| 2025 | RHB | 50 | 44.2 | 48 | 31 | 50 | 1.81 |
| 2026 | AHB | 28 | 50.1 | 43 | 25 | 74 | 1.97 |
| 2026 | HHB | 23 | 61.2 | 57 | 20 | 60 | 1.30 |
| 2026 | LHB | 45 | 22.0 | 17 | 10 | 28 | 1.73 |
| 2026 | RHB | 50 | 90.0 | 83 | 35 | 106 | 1.57 |
| 2027 | AHB | 16 | 87.1 | 69 | 40 | 111 | 1.73 |
| 2027 | HHB | 17 | 100.1 | 66 | 62 | 120 | 1.81 |
| 2027 | LHB | 30 | 33.0 | 33 | 19 | 23 | 1.27 |
| 2027 | RHB | 33 | 154.2 | 102 | 83 | 208 | 1.88 |
| 2028 | AHB | 15 | 35.1 | 25 | 17 | 46 | 1.78 |
| 2028 | HHB | 23 | 54.2 | 50 | 22 | 57 | 1.45 |
| 2028 | LHB | 23 | 12.2 | 15 | 9 | 15 | 1.89 |
| 2028 | RHB | 37 | 77.1 | 60 | 30 | 88 | 1.53 |
| 2119 | AHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2119 | HHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2119 | LHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2119 | RHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | AHB | 87 | 204.1 | 163 | 93 | 268 | 1.77 |
| Total | HHB | 94 | 250.0 | 217 | 131 | 279 | 1.64 |
| Total | LHB | 136 | 81.2 | 77 | 42 | 89 | 1.60 |
| Total | RHB | 178 | 372.2 | 303 | 182 | 458 | 1.72 |
| Total | 181 | 454.1 | 380 | 224 | 547 | 1.70 |
| Date | Transaction |
| 2029-11-01 | Masahiko Shirai has retired from the Boston BottomFeeders |
| 2024-08-10 | Trade #1373517 has been completed between the St. Louis Hoser Lovers and the Boston BottomFeeders. The Boston BottomFeeders receive Masahiko Shirai, Roger Gorinski, Bobby Rodriguez, Mike Jenkins, Draft Pick 2026 Round 1 STL (Buddy Mackenzie) from the St. Louis Hoser Lovers in exchange for Mike Hartje, Draft Pick 2025 Round 1 BOS (Joel El Gigante" Perez). |
| 2024-03-01 | The St. Louis DS9ers have promoted Dan Evans to the major league team. The St. Louis DS9ers have promoted Masahiko Shirai to the major league team. |