Jerry Koosman 1979 season stats

Jerry Koosman played 37 games for the Minnesota Twins in the 1979 MLB regular season, with 20 wins, a 3.38 ERA and 157 strikeouts.

All Jerry Koosman seasons Minnesota Twins

1979 regular season

GP: 37
R: 0
H: 268
K: 157
L: 13
W: 20
BB: 83
ER: 99
GS: 36
IP: 263.2
SV: 0
W%: 0.6

Source: ESPN public MLB data, 1979 season.