Floriana played 19 league seasons and cup tournaments in the data, 1963 to 2021. 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).
| 1045 | Riograndense (Brazil) | 1.4 |
| 1046 | Oriental (Portugal) | 1.4 |
| 1047 | DOS '37 (Netherlands) | 1.4 |
| 1048 | Floriana (MLT) | 1.4 |
| 1049 | SD Ponferradina (Spain) | 1.4 |
| 1050 | DHC (Netherlands) | 1.4 |
| 1051 | Uccle Sport (Belgium) | 1.4 |
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