Grimsby Town Football Club
Grimsby Town played 248 league seasons and cup tournaments in the data, 1883 to 2026. Success weighs every finish by how hard that competition was to win; Efficiency is the share of what the club could have won that it did win; Edge compares that with an average participant (×1.00).
| 343 | Ararat Yerevan (Armenia) | 10.0 |
| 344 | Oxford United (England) | 9.9 |
| 345 | Goztepe (Turkey) | 9.9 |
| 346 | Grimsby Town (England) | 9.9 |
| 347 | Sparta Prague (TCH) | 9.9 |
| 348 | Fortuna 54 (Netherlands) | 9.8 |
| 349 | Charleroi SC (Belgium) | 9.8 |