JK
1967–1985 · P

Jerry Koosman

6' 2", 205 lbs·Lived to 84·Bats R / Throws L
All-Star
The Almanac's Take

AI-generated analysis coming soon.

Career Highs
2.08
Best ERA · 1968
21
Most W · 1976
200
Most K · 1976
1.058
Best WHIP · 1969
Career Arc · OPS
14 seasons
Career Arc · ERA
19 seasons
Statistical Comps

Career · Hitting

19 seasons
YearTeamGABHRRBIAVGOPSOPS+
1967NYM9200.000.333
1968NYM359114.077.227
1969NYM328401.048.106
1970NYM307004.086.27939
1971NYM265000.160.38256
1972NYM344701.085.17026
1973NYM357803.103.24034
1974NYM358605.186.48069
1975NYM367806.179.42561
1976NYM347906.215.47570
1977NYM327217.111.27438
1978NYM387002.086.21430
1979MIN37000
1980MIN38000
1981MIN27000
1982CWS42000
1983CWS37000
1984PHI367403.108.22832
1985PHI193404.088.19928
Career612915246.119

Career · Pitching

19 seasons
YearTeamGIPWLERAERA+SOWHIP
1967NYM922.3026.0455111.836
1968NYM35263.719122.081431781.100
1969NYM32241.01792.281581801.058
1970NYM30212.01273.141241181.226
1971NYM26165.76113.04114961.274
1972NYM34163.011124.14791471.270
1973NYM35263.014152.841321561.179
1974NYM35265.015113.361081881.294
1975NYM36239.714133.421081731.385
1976NYM34247.321102.691302001.096
1977NYM32226.78203.491141921.218
1978NYM38235.33153.75981601.296
1979MIN37263.720133.381181571.331
1980MIN38243.316134.03951491.319
1981MIN27121.34134.0189761.368
1982CWS42173.31173.84100881.338
1983CWS37169.71174.7781901.350
1984PHI36224.014153.251171371.304
1985PHI1999.3644.6284601.419
Career6123839.32222092556
Ask The Almanac about Jerry Koosman.

Matchups, projections, comps — grounded in Lahman, Retrosheet, and Statcast.

Start a conversation →
Jerry Koosman Stats & Analysis | The Almanac