Legia Warsaw played 46 league seasons and cup tournaments in the data, 1965 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).
| 429 | KRC Mechelen (Belgium) | 7.3 |
| 430 | Pisa (Italy) | 7.3 |
| 431 | Stuttgarter Kickers (Germany) | 7.3 |
| 432 | Legia Warsaw (POL) | 7.2 |
| 433 | Central Español (Uruguay) | 7.2 |
| 434 | Girona FC (Spain) | 7.1 |
| 435 | Dukla Prague (TCH) | 7.0 |
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