League team vs team - 1981 American League
Regular season
| American League |
| WAB | TBD | KEN | LAS | FRA | SMV | NBO | SDC | OTT | CRF | BCB | TRI |
| WAB | x | 2-10 | 9-3 | 2-10 | 5-7 | 6-6 | 7-2 | 7-2 | 6-3 | 2-7 | 6-3 | 5-4 |
| TBD | 10-2 | x | 4-8 | 5-7 | 7-5 | 3-9 | 7-2 | 5-4 | 6-3 | 1-8 | 1-8 | 3-6 |
| KEN | 3-9 | 8-4 | x | 3-9 | 5-7 | 8-4 | 5-4 | 6-3 | 4-5 | 4-5 | 4-5 | 4-5 |
| LAS | 10-2 | 7-5 | 9-3 | x | 6-6 | 6-6 | 6-3 | 6-3 | 6-3 | 4-5 | 6-3 | 5-4 |
| FRA | 7-5 | 5-7 | 7-5 | 6-6 | x | 5-7 | 6-3 | 5-4 | 7-2 | 5-4 | 4-5 | 3-6 |
| SMV | 6-6 | 9-3 | 4-8 | 6-6 | 7-5 | x | 7-2 | 4-5 | 3-6 | 6-3 | 5-4 | 3-6 |
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| NBO | 2-7 | 2-7 | 4-5 | 3-6 | 3-6 | 2-7 | x | 7-5 | 1-11 | 7-5 | 4-8 | 3-9 |
| SDC | 2-7 | 4-5 | 3-6 | 3-6 | 4-5 | 5-4 | 5-7 | x | 2-10 | 5-7 | 4-8 | 2-10 |
| OTT | 3-6 | 3-6 | 5-4 | 3-6 | 2-7 | 6-3 | 11-1 | 10-2 | x | 7-5 | 4-8 | 6-6 |
| CRF | 7-2 | 8-1 | 5-4 | 5-4 | 4-5 | 3-6 | 5-7 | 7-5 | 5-7 | x | 7-5 | 7-5 |
| BCB | 3-6 | 8-1 | 5-4 | 3-6 | 5-4 | 4-5 | 8-4 | 8-4 | 8-4 | 5-7 | x | 6-6 |
| TRI | 4-5 | 6-3 | 5-4 | 4-5 | 6-3 | 6-3 | 9-3 | 10-2 | 6-6 | 5-7 | 6-6 | x |
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