League team vs team - 1978 American League
Regular season
| American League |
| WAB | TBD | KEN | LAS | FRA | SMV | SDC | OTT | CAN | TER | KCP | TRI |
| WAB | x | 10-2 | 5-7 | 6-6 | 7-5 | 8-4 | 6-3 | 7-2 | 4-5 | 6-3 | 7-2 | 6-3 |
| TBD | 2-10 | x | 3-9 | 2-10 | 2-10 | 4-8 | 5-4 | 1-8 | 3-6 | 5-4 | 3-6 | 0-9 |
| KEN | 7-5 | 9-3 | x | 6-6 | 8-4 | 9-3 | 6-3 | 2-7 | 4-5 | 4-5 | 8-1 | 5-4 |
| LAS | 6-6 | 10-2 | 6-6 | x | 10-2 | 7-5 | 7-2 | 6-3 | 4-5 | 5-4 | 8-1 | 4-5 |
| FRA | 5-7 | 10-2 | 4-8 | 2-10 | x | 6-6 | 6-3 | 2-7 | 3-6 | 5-4 | 5-4 | 6-3 |
| SMV | 4-8 | 8-4 | 3-9 | 5-7 | 6-6 | x | 5-4 | 3-6 | 5-4 | 1-8 | 3-6 | 5-4 |
| | | | | | | | | | | | | |
| SDC | 3-6 | 4-5 | 3-6 | 2-7 | 3-6 | 4-5 | x | 5-7 | 7-5 | 8-4 | 6-6 | 5-7 |
| OTT | 2-7 | 8-1 | 7-2 | 3-6 | 7-2 | 6-3 | 7-5 | x | 8-4 | 9-3 | 11-1 | 8-4 |
| CAN | 5-4 | 6-3 | 5-4 | 5-4 | 6-3 | 4-5 | 5-7 | 4-8 | x | 6-6 | 6-6 | 5-7 |
| TER | 3-6 | 4-5 | 5-4 | 4-5 | 4-5 | 8-1 | 4-8 | 3-9 | 6-6 | x | 10-2 | 2-10 |
| KCP | 2-7 | 6-3 | 1-8 | 1-8 | 4-5 | 6-3 | 6-6 | 1-11 | 6-6 | 2-10 | x | 4-8 |
| TRI | 3-6 | 9-0 | 4-5 | 5-4 | 3-6 | 4-5 | 7-5 | 4-8 | 7-5 | 10-2 | 8-4 | x |
| | | | | | | | | | | | | |