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Name Team Age
Jerry Koosman Retired (1992, Age 36) Died (2029, Age 74)
Drafted Position Bats/Throws
Round 1, Pick 14
(1977)		 RP R/R
League Option Years   Majors Service Time
Earl Averill League 0 12 years (134 games)
Total Rating   Arm Range
B- C+ C+
Contact vs R Contact vs L Speed
D- D- D+
Power vs R Power vs L Bunting
D- D- C-
Endurance Velocity Control
C  B- B 
Leadership   Mentor Value  
C- B-
Health   Injured Days   Birthday
C- 0 11/12/1955
WS Rings WS Appearances LCS Appearances
0 0 1
Alt Pos (---) Alt Pos (---) Alt Pos (---)
F  (0.0 %) F  (0.0 %) F  (0.0 %)

Stats  |   Splits  |   Playoffs  |   Energy  |   Improvements  |   Past Skills  |   Awards   |  Batting   |  Fielding   |  Game Log
Year Vs G IP SO BB H WHIP
1979 LHB 34 104.2 67 44 121 1.58
1979 RHB 33 68.2 40 35 98 1.94
1980 LHB 41 110.2 73 59 162 2.00
1980 RHB 39 91.0 53 28 96 1.36
1981 LHB 38 117.2 81 39 143 1.55
1981 RHB 38 104.0 78 29 104 1.28
1982 LHB 36 115.1 69 40 156 1.70
1982 RHB 34 112.2 77 37 102 1.23
1983 LHB 36 122.0 92 47 166 1.75
1983 RHB 36 111.1 76 29 122 1.36
1984 LHB 43 105.2 77 38 119 1.49
1984 RHB 43 96.2 69 30 80 1.14
1985 LHB 63 70.1 44 36 90 1.79
1985 RHB 65 65.2 41 24 49 1.11
1986 LHB 51 90.1 58 25 95 1.33
1986 RHB 47 66.1 49 19 63 1.24
1987 LHB 32 115.0 72 29 110 1.21
1987 RHB 32 96.2 83 31 83 1.18
1988 AHB 20 37.0 28 20 38 1.57
1988 HHB 19 45.2 34 13 39 1.14
1988 LHB 35 44.1 31 25 44 1.56
1988 RHB 35 38.1 31 8 33 1.07
1989 AHB 17 120.1 98 31 112 1.19
1989 HHB 14 98.1 60 24 97 1.23
1989 LHB 31 120.2 81 32 114 1.21
1989 RHB 31 98.0 77 23 95 1.20
1990 AHB 14 93.1 48 32 90 1.31
1990 HHB 15 94.2 64 37 87 1.31
1990 LHB 29 102.0 68 37 106 1.40
1990 RHB 29 86.0 44 32 71 1.20
1991 AHB 28 51.2 31 16 55 1.37
1991 HHB 24 64.1 53 23 70 1.45
1991 LHB 47 62.2 44 20 75 1.52
1991 RHB 49 53.1 40 19 50 1.29
2077 AHB 0 0.0 0 0 0 0.00
2077 HHB 0 0.0 0 0 0 0.00
2077 LHB 0 0.0 0 0 0 0.00
2077 RHB 0 0.0 0 0 0 0.00
Total AHB 79 302.1 205 99 295 1.30
Total HHB 72 303.0 211 97 293 1.29
Total LHB 516 1281.1 857 471 1501 1.54
Total RHB 511 1088.2 758 344 1046 1.28
Total 536 2370.0 1615 815 2547 1.42
Career Transactions
DateTransaction
1992-11-01Jerry Koosman has retired from the Free Agency Pool
1992-04-12The Philadelphia Balco Boyz have waived Jerry Koosman.
1992-03-01The Philadelphia Balco Boyz have designated Jerry Koosman for assignment. The Philadelphia Balco Boyz have sent Fred Obando to the minors.
1991-04-01The Philadelphia Balco Boyz have placed Jerry Koosman on the trade block.
1988-04-15Jerry Koosman of the Philadelphia Balco Boyz is injured and is expected to be out 32 days.
1979-04-01The Philadelphia Balco Boyz have promoted Jud Fowler to the major league team. The Philadelphia Balco Boyz have promoted Jerry Koosman to the major league team. The Philadelphia Balco Boyz have sent Bob Miller to the minors. The Philadelphia Balco Boyz have sent Keith Geygan to the minors.
1978-08-08The Philadelphia Balco Boyz have promoted Bob Miller to the major league team. The Philadelphia Balco Boyz have sent Jerry Koosman to the minors.
1978-08-08The Philadelphia Balco Boyz have promoted Jerry Koosman to the major league team.
1977-04-01The Philadelphia Balco Boyz have renamed Dennis Smart to Jerry Koosman.