| Referee | Matches | FH | SH | H | A | W | D | L |  |
 |
 |
C/M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stephen Studer | 1 | 1 | 2 | - | 3 | - | 1 | - | 3 | - | - | 3 |
| Nestor Pitana | 1 | 2 | 1 | 3 | - | 1 | - | - | 3 | - | - | 3 |
| Enrique Osses | 1 | 1 | 1 | - | 2 | - | - | 1 | 2 | - | - | 2 |
| Carlos Amarilla | 1 | 1 | 1 | 2 | - | - | 1 | - | 2 | - | - | 2 |
| Mark Geiger | 1 | - | 2 | 2 | - | - | 1 | - | 2 | - | - | 2 |
| Marcin Borski | 1 | 2 | - | - | 2 | 1 | - | - | 2 | - | - | 2 |
| Victor Carrillo | 1 | 1 | - | 1 | - | 1 | - | - | 1 | - | - | 1 |
| Howard Webb | 1 | - | 1 | 1 | - | - | 1 | - | 1 | - | - | 1 |
| Viktor Kassai | 1 | 1 | - | - | 1 | 1 | - | - | 1 | - | - | 1 |
| Wilmar Roldan | 1 | - | 1 | 1 | - | - | 1 | - | 1 | - | - | 1 |
| Roberto Silvera | 1 | - | 1 | 1 | - | 1 | - | - | 1 | - | - | 1 |
| Patricio Loustau | 1 | - | - | - | - | 1 | - | - | - | - | - | 0 |
| Martin Hansson | 1 | - | - | - | - | 1 | - | - | - | - | - | 0 |
| Pedro Proenca | 1 | - | - | - | - | - | - | 1 | - | - | - | 0 |
| 14 | 9 | 10 | 11 | 8 | 7 | 5 | 2 | 19 | - | - | 1.36 |
FH = First half,
SH = Second half,
H = Home,
A = Away,
W = Matches won,
D = Matches drawn,
L = Matches lost,
C/M = Cards/Match.