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Career Transactions
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Joe Jackson League 4-1-2062 |
| Derek Pierson |  Relief PitcherRetired (2026, Age 35) |
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CAREER | BIOGRAPHICAL DATA | ||||
|---|---|---|---|---|---|---|
| ERA | 5.16 | Total Rating |
|
Bats/Throws | R/R | |
| W-L | 5-4 | Status | Retired (2026) | Option Years | 0
|
|
| SV | 0 | Age | 70 (OS 71) | Date of Birth | 06-14-1991 | |
| K | 54 | Drafted | Round 2, Pick 32 (2014) |
Majors Svc Time | 1 years (46 games) |
|
| IP | 52.1 | |||||
| WHIP | 1.78 | |||||
| OFFENSE | PITCHING | MENTORING | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Contact vs. R | Contact vs. L | Endurance |
Ldrship |
||||||
| Power vs. R | Power vs. L | Velocity |
Mentor Val |
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| Speed | Bunt | Control | |||||||
| POSITIONS | DEFENSE/HEALTH | POSTSEASON | |||||||
| C * | --- | SS | --- | Range | WS Rings | 0 | |||
| 1B | --- | LF | --- | Arm | WS Appearances | 0 | |||
| 2B | --- | CF | --- |
Health |
LCS Appearances | 0 | |||
| 3B | --- | RF | --- |
Injured Days |
0 | All Star Teams | 0 | ||
* League requires 50% rating to start at catcher.
- Stats
- Opp Batting
- L/R Splits
- H/A Splits
- Playoffs
- Energy
- Improvements
- Past Skills
- Awards
- Batting
- Fielding
- Game Log
| Year | Vs | G | IP | SO | BB | H | WHIP |
|---|---|---|---|---|---|---|---|
| 2019 | LHB | 3 | 0.2 | 0 | 1 | 5 | 9.00 |
| 2019 | RHB | 3 | 1.1 | 1 | 1 | 2 | 2.25 |
| 2024 | LHB | 1 | 0.0 | 0 | 0 | 1 | 99.99 |
| 2024 | RHB | 1 | 0.0 | 0 | 0 | 1 | 99.99 |
| 2025 | LHB | 42 | 23.2 | 27 | 16 | 26 | 1.77 |
| 2025 | RHB | 43 | 26.2 | 26 | 11 | 29 | 1.50 |
| 2062 | LHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2062 | RHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | LHB | 46 | 24.1 | 27 | 17 | 32 | 2.01 |
| Total | RHB | 47 | 28.0 | 27 | 12 | 32 | 1.57 |
| Total | 52 | 52.1 | 54 | 29 | 64 | 1.78 |
| Date | Transaction |
| 2026-11-01 | Derek Pierson has retired from the Free Agency Pool |
| 2026-04-08 | The Detroit Robots have waived Derek Pierson. |
| 2026-03-07 | The Detroit Robots have sent Billy Guthrie to the minors. The Detroit Robots have designated Derek Pierson for assignment. The Detroit Robots have sent Ken Wilson to the minors. The Detroit Robots have promoted Rasty Osteen to the major league team. The Detroit Robots have promoted Steve Service to the major league team. |
| 2024-09-02 | The Detroit Robots have promoted Billy Guthrie to the major league team. The Detroit Robots have promoted Derek Pierson to the major league team. The Detroit Robots have promoted Blaine Reipschlager to the major league team. The Detroit Robots have promoted John Leitner to the major league team. The Detroit Robots have promoted Mel Washburn to the major league team. The Detroit Robots have promoted Garland McIlwain to the major league team. The Detroit Robots have promoted Sukehiro Nagasawa to the major league team. |
| 2023-05-25 | The Detroit Robots have acquired Derek Pierson from the waiver wire. |
| 2023-04-05 | The Miami Yams have waived Derek Pierson. |
| 2019-05-19 | The Miami Yams have sent Derek Pierson to the minors. |
| 2019-04-27 | The Miami Yams have promoted Derek Pierson to the major league team. |