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| Name | Team | Age |
| Koichi Hasegawa |  Oakland Oranges |
33 |
| Drafted | Position | Bats/Throws |
| Round 2, Pick 28 (2022) |
1B | R/R |
| League | Option Years
|
Majors Service Time |
| Bobby Doerr League | 0 | 4 years (157 games) |
| Total Rating
|
Arm | Range |
| Contact vs R | Contact vs L | Speed |
| Power vs R | Power vs L | Bunting |
| Endurance | Velocity | Control |
| Leadership
|
Mentor vs RHP
|
Mentor vs LHP
|
| Health
|
Injured Days
|
Birthday |
| 0 | 6/9/1994 | |
| WS Rings | WS Appearances | LCS Appearances |
| 1 | 1 | 2 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Positions | Improvements | Past Skills | Awards | Fielding | Game Log
| Year
|
Team | G | AB | R | H | 2B | 3B | HR | RBI | BB | SO | SB | CS | E | OPS | OBP | SLG | AVG |
| 2023 | OAK | 35 | 87 | 20 | 23 | 1 | 2 | 0 | 6 | 16 | 14 | 6 | 1 | 0 | .700 | .379 | .322 | .264 |
| 2024 | OAK | 57 | 143 | 22 | 33 | 6 | 1 | 3 | 15 | 21 | 23 | 3 | 2 | 2 | .675 | .325 | .350 | .231 |
| 2025 | OAK | 38 | 37 | 5 | 12 | 2 | 0 | 1 | 6 | 5 | 5 | 2 | 0 | 0 | .864 | .405 | .459 | .324 |
| 2026 | OAK | 54 | 93 | 10 | 21 | 5 | 1 | 0 | 9 | 8 | 18 | 4 | 0 | 1 | .585 | .284 | .301 | .226 |
| 2027 | OAK | 71 | 229 | 21 | 49 | 8 | 1 | 4 | 29 | 22 | 45 | 5 | 3 | 1 | .597 | .287 | .310 | .214 |
| 2028 | OAK | 6 | 24 | 3 | 10 | 2 | 0 | 2 | 9 | 4 | 3 | 0 | 0 | 0 | 1.250 | .500 | .750 | .417 |
| Total | 261 | 613 | 81 | 148 | 24 | 5 | 10 | 74 | 76 | 108 | 20 | 6 | 4 | .671 | .325 | .346 | .241 |
| Date | Transaction |
| 2023-08-01 | Koichi Hasegawa of the Oakland Oranges is injured and is expected to be out 46 days. |
| 2023-04-01 | The Oakland Oranges have promoted David Melton to the major league team. The Oakland Oranges have promoted Koichi Hasegawa to the major league team. The Oakland Oranges have promoted Jimmy Coleman to the major league team. |