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Willie Mays League
3-5-2086
Jerry Koosman Starting Pitcher
Retired (2026, Age 36)
CAREER BIOGRAPHICAL DATA
ERA 3.37 Total Rating B+   Bats/Throws B/L
W-L 209-138 Status Deceased (2052) Option Years 0  
SV 3 Age at Death 62 Date of Birth 07-05-1990
K 2795 Drafted Round 1, Pick 2
(2008)		 Majors Svc Time 14 years
(153 games)
IP 3351.2
WHIP 1.23
OFFENSE PITCHING MENTORING
Contact vs. R D- Contact vs. L F  Endurance B    Ldrship B-
Power vs. R C- Power vs. L D+ Velocity A-   Mentor Val A-
Speed C  Bunt D+ Control B 
POSITIONS DEFENSE/HEALTH POSTSEASON
 C * --- SS --- Range F  WS Rings 4
1B --- LF --- Arm C+ WS Appearances 4
2B --- CF ---   Health D  LCS Appearances 6
3B --- RF ---   Injured Days 0 All Star Teams 2
* 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
2011 ARI
5
 5
15
15
1
0
0
 0
92.2
 85 41 41 3 38
83
1.33
3.98
2012 ARI
8
 3
23
23
3
2
0
 0
134.1
 127 64 60 1 52
110
1.33
4.02
2013 ARI
11
 8
33
33
2
0
0
 0
196.2
 196 93 86 2 71
147
1.36
3.94
2014 ARI
10
 7
31
31
2
0
0
 0
188.0
 187 77 75 5 59
149
1.31
3.59
2015 ARI
17
 9
36
36
5
1
0
 0
223.1
 202 102 93 2 90
183
1.31
3.75
2016 ARI
17
 6
32
32
5
2
0
 0
215.1
 186 72 65 1 68
171
1.18
2.72
2017 ARI
12
 9
37
31
3
1
3
 0
216.2
 170 87 78 2 67
195
1.09
3.24
2018 ARI
22
 10
37
37
12
3
0
 0
285.2
 217 85 73 2 78
229
1.03
2.30
2019 CIN-DET
13
 11
31
31
12
2
0
 0
221.0
 168 89 78 6 81
198
1.13
3.18
2020 DET
12
 14
36
36
9
2
0
 0
237.0
 234 105 96 3 75
199
1.30
3.65
2021 DET
17
 11
38
38
9
0
0
 0
276.2
 213 93 86 2 90
239
1.10
2.80
2022 DET
14
 12
37
37
10
1
0
 0
251.1
 235 120 98 3 92
211
1.30
3.51
2023 DET
18
 14
36
36
19
0
0
 0
287.1
 266 121 116 4 83
232
1.21
3.63
2024 DET
17
 8
31
31
15
1
0
 0
254.1
 234 116 100 3 98
215
1.31
3.54
2025 DET
14
 9
30
30
13
3
0
 0
237.2
 221 111 95 2 84
213
1.28
3.60
2026 DET
2
 2
8
3
2
1
0
 0
33.2
 40 21 15 0 14
21
1.60
4.01
2086
0
 0
0
0
0
0
0
 0
0.0
 0 0 0 0 0
0
0.00
0.00
Total
209
 138
491
480
122
19
3
 0
3351.2
 2981 1397 1255 41 1140
2795
1.23
3.37
Career Transactions
DateTransaction
2026-11-01Jerry Koosman has retired from the Detroit The Chosen Ones
2020-04-10Jerry Koosman of the Detroit The Chosen Ones is injured and is expected to be out 16 days.
2019-05-08Trade #1172319 has been completed between the Detroit The Chosen Ones and the Cincinnati Isotopes. The Cincinnati Isotopes receive Kelvin Beachum, Jason Worlids, Ed Bell, Greg Couchee Detroit from the Detroit The Chosen Ones in exchange for Frank Wall, Jerry Koosman.
2019-04-25The Cincinnati Isotopes have placed Jerry Koosman on the trade block.
2016-07-03Jerry Koosman of the Arizona Meteors is injured and is expected to be out 24 days.
2012-08-16The Arizona Meteors have promoted Jerry Koosman to the major league team. The Arizona Meteors have sent Marshall Redus to the minors.
2012-07-16The Arizona Meteors have promoted Sandy Holshouser to the major league team. The Arizona Meteors have sent Jerry Koosman to the minors.
2012-07-06The Arizona Meteors have promoted Jerry Koosman to the major league team. The Arizona Meteors have sent Marshall Redus to the minors.
2012-06-01The Arizona Meteors have promoted Jack DiLauro to the major league team. The Arizona Meteors have sent Jerry Koosman to the minors.
2012-04-04The Arizona Meteors have promoted Jerry Koosman to the major league team. The Arizona Meteors have waived Jim Tremie.
2012-03-03The Arizona Meteors have sent Jerry Koosman to the minors. The Arizona Meteors have sent Marshall Redus to the minors.
2011-09-26The Arizona Meteors have promoted Jerry Koosman to the major league team.
2011-09-12The Arizona Meteors have promoted Tom Grossman to the major league team. The Arizona Meteors have sent Jerry Koosman to the minors.
2011-09-12The Arizona Meteors have promoted Jerry Koosman to the major league team.
2011-09-12The Arizona Meteors have sent Jerry Koosman to the minors.
2011-08-04The Arizona Meteors have promoted Jerry Koosman to the major league team. The Arizona Meteors have sent Jim Gremp to the minors.
2011-07-24The Arizona Meteors have sent Jerry Koosman down to the minors.
2011-07-23The Arizona Meteors have promoted Jerry Koosman to the major league team. The Arizona Meteors have sent Will Falteisek to the minors.
2011-06-30The Arizona Meteors have promoted Jim Slagle to the major league team. The Arizona Meteors have promoted Will Falteisek to the major league team. The Arizona Meteors have sent Don Lonnett to the minors. The Arizona Meteors have sent Jerry Koosman to the minors.
2011-06-19The Arizona Meteors have promoted Jerry Koosman to the major league team. The Arizona Meteors have sent Marshall Redus to the minors.
2011-06-11The Arizona Meteors have promoted John Teed to the major league team. The Arizona Meteors have sent Jerry Koosman to the minors.
2011-06-01The Arizona Meteors have promoted Jerry Koosman to the major league team. The Arizona Meteors have sent Will Falteisek to the minors.
2008-04-30The Arizona Meteors have renamed Tom Seaver to Jerry Koosman.
2008-04-29The Arizona Meteors have renamed Dave Amole to Tom Seaver.