KRC Mechelen played 97 league seasons and cup tournaments in the data, 1911 to 2015. 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).
| 426 | Waterschei THOR (Belgium) | 7.4 |
| 427 | Al-Ahly (EGY) | 7.4 |
| 428 | CD Castellón (Spain) | 7.4 |
| 429 | KRC Mechelen (Belgium) | 7.3 |
| 430 | Pisa (Italy) | 7.3 |
| 431 | Stuttgarter Kickers (Germany) | 7.3 |
| 432 | Legia Warsaw (POL) | 7.2 |