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Bobby Doerr League
5-22-2028
Don Marrero Starting Pitcher
Retired (2025, Age 37)
CAREER BIOGRAPHICAL DATA
ERA 4.31 Total Rating B    Bats/Throws R/R
W-L 96-75 Status Retired (2025) Option Years 0  
SV 0 Age 39 (OS 40) Date of Birth 10-22-1988
K 1163 Drafted Round 2, Pick 22
(2009)		 Majors Svc Time 8 years
(103 games)
IP 1548.1
WHIP 1.37
OFFENSE PITCHING MENTORING
Contact vs. R D- Contact vs. L D- Endurance B+   Ldrship C-
Power vs. R D- Power vs. L D- Velocity C+   Mentor Val B-
Speed C+ Bunt D- Control B+
POSITIONS DEFENSE/HEALTH POSTSEASON
 C * --- SS --- Range D  WS Rings 0
1B --- LF --- Arm D- WS Appearances 0
2B --- CF ---   Health F  LCS Appearances 1
3B --- RF ---   Injured Days 0 All Star Teams 0
* League requires 50% rating to start at catcher.

 
Year Type OS Age Chances   Active GS Injured  Endurance   Velocity   Control   Total 
2009 Majors 21 30.00 0 / 2 1 / 11 3 / 17 4 / 30
2010 Majors 22 30.00 0 / 1 7 / 13 4 / 16 11 / 30
2011 Majors 23 19.00 0 / 0 4 / 9 1 / 10 5 / 19
2012 Minors 24 11.00 0 / 2 3 / 6 0 / 3 3 / 11
2013 Minors 25 64.00 1 / 1 7 / 33 5 / 30 13 / 64
2014 Minors 26 1.00 0 / 0 0 / 0 0 / 1 0 / 1
2014 Majors 26 31.00 0 / 3 1 / 14 3 / 14 4 / 31
2015 Minors 27 18.00 0 / 0 2 / 12 1 / 6 3 / 18
2015 Majors 27 28.27 103 15 0 0 / 1 2 / 10 2 / 17 4 / 28
2016 Majors 28 44.39 162 23 0 2 / 9 3 / 16 5 / 19 10 / 44
2017 Minors 29 53.00 0 / 6 1 / 26 1 / 21 2 / 53
2018 Majors 30 32.25 131 0 31 0 / 3 1 / 12 2 / 17 3 / 32
2019 Majors 31 45.31 162 12 0 0 / 10 0 / 16 2 / 19 2 / 45
2020 Majors 32 51.69 162 31 0 0 / 14 1 / 19 1 / 18 2 / 51
2021 Majors 33 47.63 148 30 14 1 / 14 1 / 20 2 / 13 4 / 47
2022 Majors 34 49.33 162 31 0 -4 / 14 -4 / 19 -4 / 16 -12 / 49
2023 Majors 35 50.48 162 32 0 -5 / 12 -6 / 18 -1 / 20 -12 / 50
2024 Majors 36 52.73 159 36 3 -5 / 9 -9 / 26 -2 / 17 -16 / 52
2025 Minors 37 50.00 1 / 4 0 / 15 4 / 31 5 / 50
Total 1351 210 48 -9 / 105 15 / 295 29 / 305 35 / 705
Career Transactions
DateTransaction
2025-11-01Don Marrero has retired from the Detroit Panthers
2025-04-01The Detroit Panthers have promoted Frank Robertson to the major league team. The Detroit Panthers have promoted Jack Boone to the major league team. The Detroit Panthers have designated Don Marrero for assignment.
2024-08-01Don Marrero of the Detroit Panthers is injured and is expected to be out 4 days.
2021-08-05Don Marrero of the Detroit Panthers is injured and is expected to be out 15 days.
2018-05-29Don Marrero of the Detroit Panthers is injured and is expected to be out 35 days.
2018-04-01The Detroit Panthers have promoted Don Marrero to the major league team.
2017-04-01The Detroit Panthers have promoted Guillermo Pattison to the major league team. The Detroit Panthers have designated Don Marrero for assignment.
2015-06-06The Detroit Tigers have promoted Don Marrero to the major league team. The Detroit Tigers have sent Johnny Arft to the minors.
2015-05-05The Detroit Tigers have acquired Don Marrero from the waiver wire.
2014-04-04The Cincinnati Reds have waived Don Marrero.
2012-08-30The Cincinnati Reds have acquired Don Marrero from the waiver wire.
2009-04-01The Oakland Oranges have waived Don Marrero.