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| Name | Team | Age |
| Chiaki Nishiyama |  St. Louis Sinners |
32 |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 7 (2025) |
SP | R/R |
| League | Option Years
|
Majors Service Time |
| Bobby Doerr League | 0 | 2 years (47 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 | 1/9/1996 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 1 |
| 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 | POS | Team | G | GS | INN | TC | PO | A | E | DP | +/- | RF
|
FPCT |
| 2026 | P | STL | 27 | 0 | 44.66 | 7 | 0 | 7 | 0 | 1 | 0 | 1.41 | 1.000 |
| 2027 | P | STL | 22 | 22 | 127.66 | 14 | 3 | 11 | 0 | 0 | -1 | 0.99 | 1.000 |
| 2028 | P | STL | 7 | 7 | 44.33 | 6 | 0 | 6 | 0 | 0 | +1 | 1.22 | 1.000 |
| Total | 56 | 29 | 216.65 | 27 | 3 | 24 | 0 | 1 | 0 | 1.12 | 1.000 |
| Date | Transaction |
| 2026-04-08 | The St. Louis Sinners have promoted Chiaki Nishiyama to the major league team. The St. Louis Sinners have sent Myron Spangler to the minors. The St. Louis Sinners have sent Matt Manush to the minors. |