Alfonso Olivares worked the highest drawn-free-throw rate of the 37 qualifying Liga ACB officials in 2020-21, at 25.6 per 100 possessions against a league rate of 23.3.
| # | Official | Games | FTA / 100 | vs league |
|---|---|---|---|---|
| 1 | Alfonso Olivares | 23 | 25.6 | +2.7 |
| 2 | Daniel Hierrezuelo | 35 | 24.7 | +1.8 |
| 3 | Vicente Martínez | 23 | 24.4 | +1.5 |
| 4 | Joaquín García | 27 | 24.3 | +1.4 |
| 5 | Javier Torres | 28 | 24.3 | +1.4 |
| 6 | Juan Carlos García González | 31 | 24.2 | +1.4 |
| 7 | Luis Miguel Castillo | 30 | 24.0 | +1.2 |
| 8 | Jordi Aliaga | 33 | 24.0 | +1.2 |
| 9 | Martín Caballero | 32 | 23.5 | +0.7 |
| 10 | Jorge Martínez | 30 | 23.5 | +0.7 |
| 11 | Yasmina Alcaraz | 23 | 23.5 | +0.7 |
| 12 | Fernando Calatrava | 38 | 23.4 | +0.6 |
| 13 | Rubén Sánchez Mohedas | 22 | 23.3 | +0.5 |
| 14 | Antonio Conde | 35 | 23.3 | +0.5 |
| 15 | Francisco Araña | 26 | 23.3 | +0.5 |
| 16 | Arnau Padrós | 31 | 23.2 | +0.3 |
| 17 | Alberto Baena | 26 | 22.9 | +0.1 |
| 18 | Roberto Lucas | 22 | 22.9 | +0.1 |
| 19 | Emilio Pérez Pizarro | 35 | 22.9 | +0.1 |
| 20 | Sergio Manuel | 30 | 22.6 | −0.3 |
| 21 | Carlos Merino | 21 | 22.5 | −0.3 |
| 22 | Juan de Dios Oyón | 30 | 22.4 | −0.4 |
| 23 | Alberto Sánchez Sixto | 27 | 22.3 | −0.5 |
| 24 | David Sánchez | 20 | 22.1 | −0.7 |
| 25 | Esperanza Mendoza | 20 | 22.1 | −0.7 |
Descriptive and league-level only. Crew tendency is one of the context features the expected-free-throw model already adjusts for, assignments are not random, and this site deliberately publishes no player-by-official splits. It does not show referee bias.
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