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| Name | Team | Age |
| Kojiro Matsui | Retired (2027, Age 34) | 46 |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 6 (2018) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Roberto Clemente League | 0 | 6 years (109 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 | 6/12/1993 | |
| WS Rings | WS Appearances | LCS Appearances |
| 1 | 2 | 3 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Date | Opponent | W | L | GS | SV | BS | IP | H | R | ER | BB | SO | WHIP | ERA |
| 07/17/2027 | TEX | 0 | 0 | 1 | 0 | 0 | 4.0 | 13 | 8 | 5 | 0 | 5 | 3.25 | 11.25 |
| 07/06/2027 | CHA | 0 | 0 | 1 | 0 | 0 | 4.0 | 8 | 5 | 5 | 3 | 3 | 2.75 | 11.25 |
| 06/29/2027 | BOS | 0 | 0 | 1 | 0 | 0 | 5.1 | 3 | 3 | 3 | 6 | 4 | 1.69 | 5.06 |
| 06/19/2027 | NYA | 0 | 0 | 1 | 0 | 0 | 5.1 | 8 | 4 | 4 | 1 | 6 | 1.69 | 6.75 |
| 06/12/2027 | CHA | 0 | 0 | 1 | 0 | 0 | 6.2 | 5 | 1 | 1 | 2 | 7 | 1.05 | 1.35 |
| 06/02/2027 | KC | 0 | 0 | 1 | 0 | 0 | 5.0 | 7 | 4 | 4 | 3 | 6 | 2.00 | 7.20 |
| 05/23/2027 | TB | 0 | 0 | 1 | 0 | 0 | 7.0 | 9 | 4 | 4 | 4 | 3 | 1.86 | 5.14 |
| 05/16/2027 | SEA | 0 | 0 | 1 | 0 | 0 | 6.0 | 4 | 4 | 4 | 4 | 5 | 1.33 | 6.00 |
| 09/28/2024 | ARI | 0 | 0 | 1 | 0 | 0 | 3.1 | 6 | 5 | 5 | 2 | 2 | 2.40 | 13.50 |
| 08/27/2024 | MON | 0 | 0 | 1 | 0 | 0 | 7.0 | 4 | 2 | 2 | 2 | 9 | 0.86 | 2.57 |
| Show All Games from This Season | ||||||||||||||
| Date | Transaction |
| 2027-11-01 | Kojiro Matsui has retired from the Detroit Autoworkers |
| 2027-07-20 | The Detroit Autoworkers have promoted Chris Hood to the major league team. The Detroit Autoworkers have designated Kojiro Matsui for assignment. |
| 2027-05-12 | The Detroit Autoworkers have promoted Kojiro Matsui to the major league team. The Detroit Autoworkers have designated Tim Kehn for assignment. |
| 2027-04-03 | The Detroit Autoworkers have placed Kojiro Matsui on the trade block. |
| 2026-04-28 | The Detroit Autoworkers have acquired Kojiro Matsui from the waiver wire. |
| 2026-04-21 | The Seattle Super Sonics have waived Kojiro Matsui. |
| 2025-03-25 | The Seattle Super Sonics have acquired Kojiro Matsui from the waiver wire. |
| 2024-10-08 | The San Francisco Lupines have promoted Ronn Heathcott to the major league team. The San Francisco Lupines have promoted Cliff Hemus to the major league team. The San Francisco Lupines have promoted Tim Hancock to the major league team. The San Francisco Lupines have waived Dick Carter. The San Francisco Lupines have waived Kojiro Matsui. The San Francisco Lupines have waived Kenichi Murata. |
| 2024-08-27 | Kojiro Matsui of the San Francisco Lupines is injured and is expected to be out 28 days. |
| 2019-04-01 | The San Francisco Lupines have promoted Jim "Kool-Aid" Jones to the major league team. The San Francisco Lupines have promoted Kojiro Matsui to the major league team. The San Francisco Lupines have designated Gary Bateman for assignment. The San Francisco Lupines have designated Bryn Segura for assignment. |
| 2018-06-27 | The San Francisco Lupines have sent Kojiro Matsui down to the minors. |
| 2018-04-08 | The San Francisco Lupines have promoted Kojiro Matsui to the major league team. The San Francisco Lupines have sent Luther Olsen to the minors. |