Not enough days in 1921 season to compile WAA record.
| Date | Rank | WAA | TeamID |
|---|---|---|---|
| 19210515 | XXXXX | 0.86 | CHN |
| 19210529 | XXXXX | 0.88 | CHN |
| 19210612 | XXXXX | 0.92 | CHN |
| 19210626 | XXXXX | 0.87 | CHN |
| 19210710 | XXXXX | 1.04 | PIT |
| 19210724 | XXXXX | 1.09 | PIT |
| 19210807 | XXXXX | 1.07 | PIT |
| 19210821 | +048+ | 2.25 | PIT |
| 19210904 | +049+ | 2.38 | PIT |
| 19210918 | +055+ | 2.48 | PIT |
| 19211002 | +055+ | 2.86 | PIT |
Dave Robertson Post Season Games
| Rank | WAA | BA | OBP | PA | Rbis | Runs | Tm |
|---|---|---|---|---|---|---|---|
| XXXXX | -0.08 | 0.5 | 0.522 | 23 | 1 | 3 | SFN |
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