You Are Here > Baseball-Reference.com > Minor Leagues > Players > Jerry Koosman Minor League Statistics & History


Jerry Koosman
Jerome Martin Koosman
Bats: Right , Throws: Left
Height: 6' 2" , Weight: 205 lb.

Born: December 23, 1942 in Appleton, MN, US

Major League Stats

Minors Pitching

Glossary · Click headers to sort · SHARE  · CSV · PRE · LINK · Hide Partial Seasons
Year Age 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 H/9 HR/9 BB/9 SO/9 SO/BB
1965 22 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 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 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 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 Jacksonville IL AAA NYM 11 10 .524 2.43 25 22 178.0 137 60 48 14 46 183 1.028 6.9 0.7 2.3 9.3 3.98
3 Seasons 28 30 .483 2.60 78 57 467.0 358 180 135 28 156 194 1.101 6.9 0.5 3.0 3.7 1.24
A (2 seasons) 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) 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) 11 10 .524 2.43 25 22 178.0 137 60 48 14 46 183 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

Glossary · Click headers to sort · SHARE  · CSV · PRE · LINK · Hide Partial Seasons
Year Age 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 2 Teams 2 Lgs A-AA NYM 29 40 0 4 0 0 0 0 0 0 0 2 .100 .100 4
1965 22 Greenville WCRS A NYM 27 36 4 0 0 0 .111 .111 4
1965 22 Williamsport EL AA NYM 2 4 4 0 0 0 0 0 0 0 0 0 2 .000 .000 .000 .000 0
1966 23 Auburn NYPL A NYM 24 56 3 1 0 0 .054 .071 4
1967 24 Jacksonville IL AAA NYM 25 59 55 5 7 1 0 0 1 0 0 4 26 .127 .186 .145 .332 8
3 Seasons 78 155 151 5 14 2 0 0 1 0 0 4 28 .093 .116 .106 .222 16
A (2 seasons) 51 92 92 7 1 0 0 .076 .076 .087 .163 8
AA (1 season) 2 4 4 0 0 0 0 0 0 0 0 0 2 .000 .000 .000 .000 0
AAA (1 season) 25 59 55 5 7 1 0 0 1 0 0 4 26 .127 .186 .145 .332 8
A 7890 value in the totals indicates career mark is incomplete.

Minors Fielding

Glossary · Click headers to sort · SHARE  · CSV · PRE · LINK ·
Year Age Tm Lg Lev Aff G Ch PO A E DP Fld% RF/G
1965 22 Greenville WCRS A NYM P 27 0.00
1966 23 Auburn NYPL A NYM P 24 0.00
2 Seasons 51 0.00
A 7890 value in the totals indicates career mark is incomplete.

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 League 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, visit the homepage of the SABR Minor Leagues Database.