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Joe Jackson League
4-1-2062
Derek Pierson Relief Pitcher
Retired (2026, Age 35)
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 D- Endurance C-   Ldrship D-
Power vs. R D- Power vs. L D- Velocity A+   Mentor Val C-
Speed Bunt D- Control C-
POSITIONS DEFENSE/HEALTH POSTSEASON
 C * --- SS --- Range D- WS Rings 0
1B --- LF --- Arm C+ WS Appearances 0
2B --- CF ---   Health B+ LCS Appearances 0
3B --- RF ---   Injured Days 0 All Star Teams 0
* League requires 50% rating to start at catcher.

Year   Team W L G GS CG SHO SV BS IP H R ER HBP BB SO WHIP ERA Awards
2019 MIA
0
0
3
0
0
0
0
0
2.0
7 6 6 0 2
1
4.50
27.00
2024 DET
0
1
1
0
0
0
0
0
0.0
2 1 1 0 0
0
99.99
99.99
2025 DET
5
3
48
0
0
0
0
2
50.1
55 29 23 2 27
53
1.63
4.11
2062
0
0
0
0
0
0
0
0
0.0
0 0 0 0 0
0
0.00
0.00
Total
5
4
52
0
0
0
0
2
52.1
64 36 30 2 29
54
1.78
5.16
Career Transactions
DateTransaction
2026-11-01Derek Pierson has retired from the Free Agency Pool
2026-04-08The Detroit Robots have waived Derek Pierson.
2026-03-07The 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.
2024-09-02The 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.
2023-05-25The Detroit Robots have acquired Derek Pierson from the waiver wire.
2023-04-05The Miami Yams have waived Derek Pierson.
2019-05-19The Miami Yams have sent Derek Pierson to the minors.
2019-04-27The Miami Yams have promoted Derek Pierson to the major league team.