Mobile Site You Are Here > Home > Minor Leagues > Players > Jerry Koosman Minor League Statistics & History


Jerry Koosman

Jerome Martin Koosman (Kooz)

Position: Pitcher
Bats: Right, Throws: Left
Height: 6' 2", Weight: 205 lb.

Born: December 23, 1942 in Appleton, Minnesota, US
High School: West Central School of Agriculture (Morris, MN)
School: University of Minnesota, Morris (Morris, MN)

Major League Stats / View Player Bio from the SABR BioProject


Minors Pitching

Year Age AgeDif Tm Lg Lev Aff W L W-L% ERA G GS GF CG SHO SV IP H R ER HR BB IBB SO HBP BK WP BF WHIP H9 HR9 BB9 SO9 SO/W
1965 22 1.0 2 Teams 2 Lgs A-AA NYM 5 13 .278 4.61 29 16 119.0 112 77 61 6 67 11 1.504 8.5 0.5 5.1 0.8 0.16
1965 22 1.2 Greenville WCRS A NYM 5 11 .313 4.71 27 14 107.0 101 70 56 6 56 1.467 8.5 0.5 4.7
1965 22 -0.7 Williamsport EL AA NYM 0 2 .000 3.75 2 2 12.0 11 7 5 0 11 11 1.833 8.2 0.0 8.2 8.2 1.00
1966 23 1.9 Auburn NYPL A NYM 12 7 .632 1.38 24 19 170.0 109 43 26 8 43 0.894 5.8 0.4 2.3
1967 24 -1.7 Jacksonville IL AAA NYM 11 10 .524 2.43 25 22 14 1 178.0 137 60 48 14 46 1 183 3 0 4 1.028 6.9 0.7 2.3 9.3 3.98
3 Seasons 28 30 .483 2.60 78 57 14 1 467.0 358 180 135 28 156 1 194 3 0 4 1.101 6.9 0.5 3.0 3.7 1.24
A (2 seasons) A 17 18 .486 2.66 51 33 277.0 210 113 82 14 99 1.116 6.8 0.5 3.2
AA (1 season) AA 0 2 .000 3.75 2 2 12.0 11 7 5 0 11 11 1.833 8.2 0.0 8.2 8.2 1.00
AAA (1 season) AAA 11 10 .524 2.43 25 22 14 1 178.0 137 60 48 14 46 1 183 3 0 4 1.028 6.9 0.7 2.3 9.3 3.98
A 7890 value in the totals indicates career mark is incomplete.

Minors Batting

Year Age AgeDif Tm Lg Lev Aff G PA AB R H 2B 3B HR RBI SB CS BB SO BA OBP SLG OPS TB GDP HBP SH SF IBB
1965 22 1.0 2 Teams 2 Lgs A-AA NYM 29 40 0 4 0 0 0 0 0 0 0 2 .100 .100 4
1965 22 1.2 Greenville WCRS A NYM 27 36 4 0 0 0 .111 .111 4
1965 22 -1.0 Williamsport EL AA NYM 2 4 4 0 0 0 0 0 0 0 0 0 2 .000 .000 .000 .000 0
1966 23 1.7 Auburn NYPL A NYM 24 56 3 1 0 0 .054 .071 4
1967 24 -1.7 2 Teams 2 Lgs AAA-WRk NYM 25 55 5 7 1 0 0 1 0 0 4 26 .127 .145 8 1 6 1
1967 24 Mets FLIL WRk NYM
1967 24 -1.7 Jacksonville IL AAA NYM 25 67 55 5 7 1 0 0 1 0 0 4 26 .127 .197 .145 .342 8 1 6 1
3 Seasons 78 163 151 5 14 2 0 0 1 0 0 4 28 .093 .121 .106 .227 16 1 6 1
WRk (1 season) WRk
A (2 seasons) A 51 92 92 7 1 0 0 .076 .076 .087 .163 8
AA (1 season) AA 2 4 4 0 0 0 0 0 0 0 0 0 2 .000 .000 .000 .000 0
AAA (1 season) AAA 25 67 55 5 7 1 0 0 1 0 0 4 26 .127 .197 .145 .342 8 1 6 1
A 7890 value in the totals indicates career mark is incomplete.

Minors Fielding

Year Age Tm Lg Lev Aff G CG Ch PO A E DP Fld% RF/G lgCS% PO
1965 22 Greenville WCRS A NYM P 27 0.00
1966 23 Auburn NYPL A NYM P 24 0.00
1967 24 Jacksonville IL AAA NYM P 25 39 5 31 3 2 .923 1.44
3 Seasons 76 39 5 31 3 2 .923 0.47
A 7890 value in the totals indicates career mark is incomplete.

Teams Played For

Year Age Tm Lg Lev Aff
1965 22 Greenville Mets Western Carolinas League A NYM
1965 22 Williamsport Mets Eastern League AA NYM
1966 23 Auburn Mets New York-Pennsylvania League A NYM
1967 24 Jacksonville Suns International League AAA NYM
1967 24 FIL Mets Florida Instructional League WRk NYM
1967 24 New York Mets National League MLB NYM 1 1967-04-14 1967-09-26
1968 25 New York Mets National League MLB NYM 1 1968-04-11 1968-09-28
1969 26 New York Mets National League MLB NYM 1 1969-04-11 1969-10-01
1970 27 New York Mets National League MLB NYM 1 1970-04-09 1970-09-29
1971 28 New York Mets National League MLB NYM 1 1971-04-10 1971-09-28
1972 29 New York Mets National League MLB NYM 1 1972-04-18 1972-10-01
1973 30 New York Mets National League MLB NYM 1 1973-04-11 1973-09-30
1974 31 New York Mets National League MLB NYM 1 1974-04-10 1974-09-30
1975 32 New York Mets National League MLB NYM 1 1975-04-11 1975-09-26
1976 33 New York Mets National League MLB NYM 1 1976-04-13 1976-10-01
1977 34 New York Mets National League MLB NYM 1 1977-04-09 1977-09-21
1978 35 New York Mets National League MLB NYM 1 1978-04-07 1978-09-30
1979 36 Minnesota Twins American League MLB MIN 1 1979-04-10 1979-09-30
1980 37 Minnesota Twins American League MLB MIN 1 1980-04-10 1980-10-03
1981 38 Minnesota Twins American League MLB MIN 1 1981-04-09 1981-08-28
1981 38 Chicago White Sox American League MLB CHW 2 1981-09-01 1981-10-02
1982 39 Chicago White Sox American League MLB CHW 1 1982-04-11 1982-09-27
1983 40 Chicago White Sox American League MLB CHW 1 1983-04-08 1983-10-02
1984 41 Philadelphia Phillies National League MLB PHI 1 1984-04-07 1984-09-30
1985 42 Philadelphia Phillies National League MLB PHI 1 1985-04-12 1985-08-21

Sabr ID: 26133a3d

About the Minor League Data

Performance data on minor and international leagues is licensed from and provided by the SABR Minor Leagues Database, a community project sponsored by the Minor Leagues Committee of the Society for American Baseball Research.

The database is under active development. Many statistics are incomplete due to ongoing research and/or limitations in published sources. To learn more about these limitations, or to find out how to contribute, click here.

Minor league Total Zone (Rctch&Rtz, 2005-2009) data provided by Baseballprojection.com and Minorleaguesplits.com.