Royale Union Saint-Gilloise
Union Saint-Gilloise played 127 league seasons and cup tournaments in the data, 1902 to 2026, winning 12 league titles, 4 domestic cups. 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).
| Competition | Won | Seasons |
|---|---|---|
| Belgium top flight (First Division / Pro League) | 12 | 1903-04, 1904-05, 1905-06, 1906-07, 1908-09, 1909-10, 1912-13, 1922-23, 1932-33, 1933-34, 1934-35, 2024-25 |
| Belgian Cup | 4 | 1912-13, 1913-14, 2023-24, 2025-26 |
| 141 | Argentinos Juniors (Argentina) | 35.0 |
| 142 | KV Mechelen (Belgium) | 34.9 |
| 143 | Dinamo Tbilisi (Georgia) | 34.9 |
| 144 | Union Saint-Gilloise (Belgium) | 34.8 |
| 145 | Olimpia (Uruguay) | 34.6 |
| 146 | Huddersfield Town (England) | 34.3 |
| 147 | Norwich City (England) | 34.3 |