Real Madrid CF Castilla played 46 league seasons and cup tournaments in the data, 1950 to 2014. 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).
| 677 | Doncaster Rovers (England) | 3.3 |
| 678 | Clydebank (Scotland) | 3.3 |
| 679 | Northampton Town (England) | 3.3 |
| 680 | Real Madrid CF Castilla (Spain) | 3.3 |
| 681 | Porteño (Argentina) | 3.3 |
| 682 | SK Sturm Graz (Austria) | 3.3 |
| 683 | Lucchese (Italy) | 3.3 |
More: all clubs of Spain · the world top 200