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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 Vs G IP SO BB H WHIP
2015 LHB 14 45.1 37 21 43 1.41
2015 RHB 15 53.1 28 22 65 1.63
2016 LHB 23 58.1 41 32 81 1.94
2016 RHB 23 81.1 55 25 90 1.41
2018 LHB 31 31.1 20 12 35 1.50
2018 RHB 30 33.2 28 13 38 1.51
2019 LHB 40 63.1 46 30 67 1.53
2019 RHB 40 70.1 55 21 54 1.07
2020 LHB 31 114.0 81 46 103 1.31
2020 RHB 31 123.0 98 34 94 1.04
2021 LHB 30 101.1 74 36 114 1.48
2021 RHB 30 103.1 79 28 87 1.11
2022 LHB 30 102.1 87 47 108 1.51
2022 RHB 31 101.0 76 23 108 1.30
2023 LHB 32 103.2 72 38 131 1.63
2023 RHB 32 114.1 95 28 102 1.14
2024 LHB 36 120.2 79 46 119 1.37
2024 RHB 36 127.2 112 41 134 1.37
2028 LHB 0 0.0 0 0 0 0.00
2028 RHB 0 0.0 0 0 0 0.00
Total LHB 267 740.1 537 308 801 1.50
Total RHB 268 808.0 626 235 772 1.25
Total 277 1548.1 1163 543 1573 1.37
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.