Organization team vs team - 2021 Tom Seaver League
Regular season
| A |
| Dur | Bra | Pas | Tol | Gat | ZI | LO | Fre | Rid | PH | Hou | Bos |
| Dur | x | 5-13 | 9-9 | 7-11 | 10-8 | 7-11 | 2-6 | 3-5 | 4-4 | 6-2 | 7-1 | 3-5 |
| Bra | 13-5 | x | 4-14 | 11-7 | 13-5 | 8-10 | 3-5 | 2-6 | 3-5 | 5-3 | 5-3 | 3-5 |
| Pas | 9-9 | 14-4 | x | 10-8 | 11-7 | 9-9 | 4-4 | 4-4 | 5-3 | 5-3 | 4-4 | 3-5 |
| Tol | 11-7 | 7-11 | 8-10 | x | 13-5 | 10-8 | 3-5 | 3-5 | 3-5 | 6-2 | 5-3 | 3-5 |
| Gat | 8-10 | 5-13 | 7-11 | 5-13 | x | 7-11 | 3-5 | 3-5 | 3-5 | 5-3 | 1-7 | 3-5 |
| ZI | 11-7 | 10-8 | 9-9 | 8-10 | 11-7 | x | 5-3 | 6-2 | 5-3 | 6-2 | 7-1 | 5-3 |
| | | | | | | | | | | | | |
| LO | 6-2 | 5-3 | 4-4 | 5-3 | 5-3 | 3-5 | x | 10-8 | 8-10 | 12-6 | 13-5 | 13-5 |
| Fre | 5-3 | 6-2 | 4-4 | 5-3 | 5-3 | 2-6 | 8-10 | x | 10-8 | 11-7 | 11-7 | 8-10 |
| Rid | 4-4 | 5-3 | 3-5 | 5-3 | 5-3 | 3-5 | 10-8 | 8-10 | x | 13-5 | 9-9 | 10-8 |
| PH | 2-6 | 3-5 | 3-5 | 2-6 | 3-5 | 2-6 | 6-12 | 7-11 | 5-13 | x | 9-9 | 4-14 |
| Hou | 1-7 | 3-5 | 4-4 | 3-5 | 7-1 | 1-7 | 5-13 | 7-11 | 9-9 | 9-9 | x | 5-13 |
| Bos | 5-3 | 5-3 | 5-3 | 5-3 | 5-3 | 3-5 | 5-13 | 10-8 | 8-10 | 14-4 | 13-5 | x |
| | | | | | | | | | | | | |
| LA | | | | | | | 2-2 | 2-2 | 2-2 | 2-2 | 1-3 | 2-2 |
| Wpg | | | | | | | 1-3 | 1-3 | 3-1 | 1-3 | 1-3 | 3-1 |
| Cab | | | | | | | 1-3 | 0-4 | 3-1 | 2-2 | 3-1 | 3-1 |
| Win | | | | | | | 0-4 | 1-3 | 3-1 | 1-3 | 2-2 | 2-2 |
| Min | | | | | | | 2-2 | 3-1 | 1-3 | 2-2 | 2-2 | 3-1 |
| Ont | | | | | | | 1-3 | 1-3 | 1-3 | 3-1 | 2-2 | 3-1 |
| | | | | | | | | | | | | |
| Ili | 2-2 | 1-3 | 2-2 | 1-3 | 4-0 | 1-3 | | | | | | |
| SF | 0-4 | 1-3 | 0-4 | 2-2 | 2-2 | 2-2 | | | | | | |
| LV | 2-2 | 1-3 | 3-1 | 1-3 | 1-3 | 0-4 | | | | | | |
| Car | 2-2 | 2-2 | 2-2 | 1-3 | 2-2 | 2-2 | | | | | | |
| TC | 1-3 | 1-3 | 3-1 | 3-1 | 4-0 | 3-1 | | | | | | |
| Tex | 2-2 | 3-1 | 2-2 | 1-3 | 3-1 | 3-1 | | | | | | |
| | | | | | | | | | | | | |
| N |
| LA | Wpg | Cab | Win | Min | Ont | Ili | SF | LV | Car | TC | Tex |
| LA | x | 6-12 | 4-14 | 9-9 | 9-9 | 9-9 | 3-5 | 2-6 | 6-2 | 7-1 | 2-6 | 3-5 |
| Wpg | 12-6 | x | 6-12 | 8-10 | 10-8 | 9-9 | 2-6 | 1-7 | 3-5 | 5-3 | 2-6 | 2-6 |
| Cab | 14-4 | 12-6 | x | 12-6 | 12-6 | 12-6 | 5-3 | 1-7 | 4-4 | 6-2 | 5-3 | 4-4 |
| Win | 9-9 | 10-8 | 6-12 | x | 7-11 | 9-9 | 3-5 | 2-6 | 3-5 | 2-6 | 0-8 | 3-5 |
| Min | 9-9 | 8-10 | 6-12 | 11-7 | x | 13-5 | 4-4 | 3-5 | 5-3 | 6-2 | 2-6 | 3-5 |
| Ont | 9-9 | 9-9 | 6-12 | 9-9 | 5-13 | x | 4-4 | 1-7 | 6-2 | 3-5 | 3-5 | 2-6 |
| | | | | | | | | | | | | |
| Ili | 5-3 | 6-2 | 3-5 | 5-3 | 4-4 | 4-4 | x | 9-9 | 14-4 | 10-8 | 5-13 | 6-12 |
| SF | 6-2 | 7-1 | 7-1 | 6-2 | 5-3 | 7-1 | 9-9 | x | 14-4 | 9-9 | 8-10 | 11-7 |
| LV | 2-6 | 5-3 | 4-4 | 5-3 | 3-5 | 2-6 | 4-14 | 4-14 | x | 4-14 | 4-14 | 5-13 |
| Car | 1-7 | 3-5 | 2-6 | 6-2 | 2-6 | 5-3 | 8-10 | 9-9 | 14-4 | x | 3-15 | 4-14 |
| TC | 6-2 | 6-2 | 3-5 | 8-0 | 6-2 | 5-3 | 13-5 | 10-8 | 14-4 | 15-3 | x | 10-8 |
| Tex | 5-3 | 6-2 | 4-4 | 5-3 | 5-3 | 6-2 | 12-6 | 7-11 | 13-5 | 14-4 | 8-10 | x |
| | | | | | | | | | | | | |
| Dur | | | | | | | 2-2 | 4-0 | 2-2 | 2-2 | 3-1 | 2-2 |
| Bra | | | | | | | 3-1 | 3-1 | 3-1 | 2-2 | 3-1 | 1-3 |
| Pas | | | | | | | 2-2 | 4-0 | 1-3 | 2-2 | 1-3 | 2-2 |
| Tol | | | | | | | 3-1 | 2-2 | 3-1 | 3-1 | 1-3 | 3-1 |
| Gat | | | | | | | 0-4 | 2-2 | 3-1 | 2-2 | 0-4 | 1-3 |
| ZI | | | | | | | 3-1 | 2-2 | 4-0 | 2-2 | 1-3 | 1-3 |
| | | | | | | | | | | | | |
| LO | 2-2 | 3-1 | 3-1 | 4-0 | 2-2 | 3-1 | | | | | | |
| Fre | 2-2 | 3-1 | 4-0 | 3-1 | 1-3 | 3-1 | | | | | | |
| Rid | 2-2 | 1-3 | 1-3 | 1-3 | 3-1 | 3-1 | | | | | | |
| PH | 2-2 | 3-1 | 2-2 | 3-1 | 2-2 | 1-3 | | | | | | |
| Hou | 3-1 | 3-1 | 1-3 | 2-2 | 2-2 | 2-2 | | | | | | |
| Bos | 2-2 | 1-3 | 1-3 | 2-2 | 1-3 | 1-3 | | | | | | |
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