Not enough days in 1989 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19890427 | XXXXX | -0.53 | NYA |
| 19890511 | XXXXX | -0.35 | NYA |
| 19890525 | XXXXX | 0.05 | NYA |
| 19890608 | XXXXX | 0.27 | NYA |
| 19890622 | +070+ | 1.82 | NYA |
| 19890706 | +076+ | 1.96 | NYA |
| 19890723 | +080+ | 2.02 | NYA |
| 19890806 | +046+ | 3.04 | NYA |
| 19890820 | +062+ | 2.92 | NYA |
| 19890903 | +040+ | 3.72 | NYA |
| 19890917 | +035+ | 4.23 | NYA |
| 19891001 | +026+ | 5.00 | NYA |
Don Mattingly Post Season Games
| Rank | WAA | BA | OBP | PA | Rbis | Runs | Tm |
|---|---|---|---|---|---|---|---|
| XXXXX | 0.4 | 0.417 | 0.44 | 25 | 6 | 3 | NYA |
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