| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| -039- | -1.42 | 40.0 | 4.72 | 6 | 8 | NYN |
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19720519 | -003- | -2.49 | NYN |
| 19720602 | -015- | -1.92 | NYN |
| 19720616 | -039- | -1.42 | NYN |
| 19720625 | -045- | -1.49 | NYN |
| 19720709 | XXXXX | 0.19 | NYN |
| 19720723 | XXXXX | -0.09 | NYN |
| 19720809 | XXXXX | -1.20 | NYN |
| 19720823 | -019- | -3.26 | NYN |
| 19720906 | -021- | -3.11 | NYN |
| 19720920 | -014- | -3.85 | NYN |
| 19721004 | -026- | -3.47 | NYN |
Jerry Koosman Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| XXXXX | -0.18 | 0.3 | 27 | 0 | 1 | CHA |
| XXXXX | 0.2 | 40 | 3.38 | 6 | 0 | NYN |
| XXXXX | 0.02 | 40.3 | 3.57 | 0 | 0 | TOT |
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