Not enough days in 1974 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19740428 | +011+ | 1.81 | NYN |
| 19740512 | +012+ | 2.29 | NYN |
| 19740526 | +052+ | 1.43 | NYN |
| 19740609 | XXXXX | 0.06 | NYN |
| 19740623 | XXXXX | 1.09 | NYN |
| 19740707 | +056+ | 2.05 | NYN |
| 19740721 | XXXXX | 1.19 | NYN |
| 19740807 | +094+ | 1.77 | NYN |
| 19740821 | +111+ | 1.79 | NYN |
| 19740904 | +117+ | 1.64 | NYN |
| 19740918 | +119+ | 1.77 | NYN |
| 19741002 | XXXXX | 1.33 | NYN |
Jerry Koosman Post Season Games
| Rank | WAA | IP | ERA | Gs | Gr | Tm |
|---|---|---|---|---|---|---|
| XXXXX | -0.18 | 0.3 | 27 | 0 | 1 | CHA |
| XXXXX | 0.21 | 40 | 3.38 | 6 | 0 | NYN |
| XXXXX | 0.03 | 40.3 | 3.57 | 0 | 0 | TOT |
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