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| Name | Team | Age |
| John Niekro | Retired (2034, Age 36) | 41 |
| Drafted | Position | Bats/Throws |
| Round 4, Pick 54 (2020) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Roberto Clemente League | 0 | 8 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 | 6/3/1998 | |
| 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 |
| 2027 | P | CIN | 57 | 0 | 63.66 | 11 | 3 | 8 | 0 | 1 | -1 | 1.56 | 1.000 |
| 2028 | P | CIN | 61 | 0 | 64.33 | 9 | 0 | 9 | 0 | 0 | -2 | 1.26 | 1.000 |
| 2029 | P | CIN | 61 | 0 | 63.0 | 11 | 0 | 11 | 0 | 0 | 0 | 1.57 | 1.000 |
| 2030 | P | CIN | 69 | 0 | 69.66 | 5 | 0 | 5 | 0 | 0 | 0 | 0.65 | 1.000 |
| 2031 | P | CIN | 74 | 0 | 77.33 | 9 | 1 | 8 | 0 | 0 | 0 | 1.05 | 1.000 |
| 2032 | P | CIN | 82 | 0 | 82.66 | 16 | 0 | 16 | 0 | 0 | -2 | 1.74 | 1.000 |
| 2033 | P | CIN | 67 | 0 | 69.66 | 5 | 0 | 5 | 0 | 3 | 0 | 0.65 | 1.000 |
| 2034 | P | CIN | 84 | 0 | 85.0 | 8 | 1 | 7 | 0 | 0 | -1 | 0.85 | 1.000 |
| Total | 555 | 0 | 575.3 | 74 | 5 | 69 | 0 | 4 | -6 | 1.16 | 1.000 |
| Date | Transaction |
| 2034-11-01 | John Niekro has retired from the Cincinnati Twelves |
| 2033-05-12 | John Niekro of the Cincinnati Twelves is injured and is expected to be out 19 days. |
| 2031-09-23 | John Niekro of the Cincinnati Twelves is injured and is expected to be out 38 days. |
| 2029-05-24 | John Niekro of the Cincinnati Twelves is injured and is expected to be out 24 days. |
| 2027-04-01 | The Cincinnati Twelves have promoted John Niekro to the major league team. The Cincinnati Twelves have promoted Lena Sturdy to the major league team. |
| 2025-04-08 | The Cincinnati Twelves have acquired John Niekro from the waiver wire. |
| 2025-04-01 | The Cleveland Planktons have waived John Niekro. |
| 2022-04-22 | The Cleveland Planktons have acquired John Niekro from the waiver wire. |
| 2022-04-01 | The Arizona Lions have waived John Niekro. |
| 2022-03-25 | The Arizona Lions have acquired John Niekro from the waiver wire. |
| 2021-08-10 | The Detroit Autoworkers have waived John Niekro. |
| 2021-04-15 | The Detroit Autoworkers have acquired John Niekro from the waiver wire. |
| 2021-04-08 | The Philadelphia Continentals have waived John Niekro. |