Jerry Koosman
P · 19 seasons · 1967 – 1985 · B/T: R/L
Hitting
Best Season
-2.23
1982 · #80,397 all-time
Career Z
-53.7
summed
Avg / Season
-2.83
longevity-neutral
Seasons
19
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1967 | NYM | 9 | -2.26 | #503 | #83,506 |
| 1968 | NYM | 35 | -3.35 | #668 | #110,383 |
| 1969 | NYM | 32 | -3.93 | #849 | #111,257 |
| 1970 | NYM | 30 | -3.16 | #837 | #109,603 |
| 1971 | NYM | 26 | -2.66 | #755 | #103,867 |
| 1972 | NYM | 34 | -2.98 | #801 | #108,340 |
| 1973 | NYM | 35 | -3.50 | #814 | #110,748 |
| 1974 | NYM | 35 | -2.61 | #806 | #102,744 |
| 1975 | NYM | 36 | -2.50 | #759 | #99,579 |
| 1976 | NYM | 34 | -2.26 | #435 | #83,636 |
| 1977 | NYM | 32 | -3.16 | #890 | #109,635 |
| 1978 | NYM | 38 | -3.77 | #898 | #111,158 |
| 1979 | MIN | 37 | -2.29 | #466 | #87,086 |
| 1980 | MIN | 38 | -2.29 | #501 | #86,677 |
| 1981 | MIN | 27 | -2.26 | #504 | #83,103 |
| 1982★ | CWS | 42 | -2.23 | #491 | #80,397 |
| 1983 | CWS | 37 | -2.26 | #494 | #83,792 |
| 1984 | PHI | 36 | -3.44 | #928 | #110,607 |
| 1985 | PHI | 19 | -2.78 | #898 | #106,091 |
★ Best season by Z
Pitching
Best Season
9.67
1976 · #1,264 all-time
Career Z
69.3
summed
Avg / Season
3.65
longevity-neutral
Seasons
19
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1967 | NYM | 9 | -3.79 | #302 | #49,288 |
| 1968 | NYM | 35 | 7.22 | #13 | #2,876 |
| 1969 | NYM | 32 | 9.34 | #17 | #1,442 |
| 1970 | NYM | 30 | 4.78 | #41 | #5,782 |
| 1971 | NYM | 26 | 1.07 | #100 | #14,381 |
| 1972 | NYM | 34 | 0.71 | #104 | #15,620 |
| 1973 | NYM | 35 | 6.60 | #17 | #3,491 |
| 1974 | NYM | 35 | 4.79 | #41 | #5,768 |
| 1975 | NYM | 36 | 4.08 | #42 | #6,960 |
| 1976★ | NYM | 34 | 9.67 | #6 | #1,264 |
| 1977 | NYM | 32 | 5.25 | #36 | #5,093 |
| 1978 | NYM | 38 | 1.95 | #85 | #11,702 |
| 1979 | MIN | 37 | 6.84 | #21 | #3,236 |
| 1980 | MIN | 38 | 4.02 | #56 | #7,060 |
| 1981 | MIN | 27 | 1.05 | #109 | #14,433 |
| 1982 | CWS | 42 | 1.90 | #102 | #11,847 |
| 1983 | CWS | 37 | 0.17 | #154 | #17,668 |
| 1984 | PHI | 36 | 4.71 | #47 | #5,916 |
| 1985 | PHI | 19 | -1.11 | #204 | #24,021 |
★ Best season by Z