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| Name | Team | Age |
| Katsuhiko Mayumi | Retired (2303, Age 37) | 42 |
| Drafted | Position | Bats/Throws |
| Round 2, Pick 19 (2298) |
RP | L/L |
| League | Option Years
|
Majors Service Time |
| Orlando Cepeda League (AAA) | 0 | 4 years (153 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 | 7/12/2266 | |
| 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
| Date | Transaction |
| 2303-11-01 | Katsuhiko Mayumi has retired from the Kansas City Zephyrs |
| 2303-07-14 | The Kansas City Zephyrs have acquired Katsuhiko Mayumi from the waiver wire. The Kansas City Zephyrs have waived Donne Faszholz. |
| 2303-03-25 | The Baltimore Orioles have waived Katsuhiko Mayumi. |
| 2301-04-11 | The Baltimore Orioles have acquired Katsuhiko Mayumi from the waiver wire. |
| 2301-04-01 | The Boston Blue Sox have designated Oscar Skowron for assignment. The Boston Blue Sox have designated Katsuhiko Mayumi for assignment. |
| 2300-08-31 | Katsuhiko Mayumi of the Boston Blue Sox is injured and is expected to be out 13 days. |
| 2300-04-06 | The Boston Blue Sox have placed Katsuhiko Mayumi on the trade block. |
| 2298-04-01 | The New York Blue Sox have promoted Katsuhiko Mayumi to the major league team. |