Not enough days in 1976 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19760513 | XXXXX | 0.74 | NYN |
| 19760527 | +050+ | 1.36 | NYN |
| 19760610 | XXXXX | 0.30 | NYN |
| 19760624 | -070- | -1.37 | NYN |
| 19760708 | XXXXX | -0.63 | NYN |
| 19760725 | XXXXX | 0.74 | NYN |
| 19760808 | +110+ | 1.55 | NYN |
| 19760822 | +053+ | 2.81 | NYN |
| 19760905 | +062+ | 3.02 | NYN |
| 19760919 | +038+ | 4.09 | NYN |
| 19761003 | +030+ | 4.85 | 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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