| Referee | Matches | FH | SH | H | A | W | D | L |  |
 |
 |
C/M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Guido Gonzalez Jr | 1 | - | 4 | 4 | - | 1 | - | - | 4 | - | - | 4 |
| 1 | 2 | 2 | - | 4 | - | 1 | - | 4 | - | - | 4 | |
| Baldomero Toledo | 2 | 4 | 2 | - | 6 | 2 | - | - | 6 | - | - | 3 |
| Tim Ford | 1 | 2 | 1 | 3 | - | 1 | - | - | 3 | - | - | 3 |
| Silviu Petrescu | 1 | 1 | 2 | - | 3 | 1 | - | - | 3 | - | - | 3 |
| Fotis Bazakos | 1 | 2 | 1 | - | 3 | - | - | 1 | 3 | - | - | 3 |
| Rosendo Mendoza | 2 | 2 | 3 | 4 | 1 | 1 | 1 | - | 5 | - | - | 2.5 |
| Ted Unkel | 2 | 3 | 2 | 5 | - | 1 | 1 | - | 5 | - | - | 2.5 |
| Victor Rivas | 2 | 1 | 3 | 1 | 3 | 1 | - | 1 | 4 | - | - | 2 |
| Kevin Stott | 1 | 2 | - | 2 | - | - | 1 | - | 2 | - | - | 2 |
| Jon Freeman | 1 | 1 | 1 | 2 | - | 1 | - | - | 2 | - | - | 2 |
| Marcos de Oliveira | 2 | 1 | 1 | 2 | - | 1 | - | 1 | 2 | - | - | 1 |
| Ismail Elfath | 1 | - | 1 | - | 1 | - | - | 1 | 1 | - | - | 1 |
| Nima Saghafi | 1 | - | 1 | - | 1 | - | 1 | - | 1 | - | - | 1 |
| Drew Fischer | 1 | - | 1 | 1 | - | 1 | - | - | 1 | - | - | 1 |
| David Gantar | 1 | - | - | - | - | - | - | 1 | - | - | - | 0 |
| 21 | 21 | 25 | 24 | 22 | 11 | 5 | 5 | 46 | - | - | 2.19 |
FH = First half,
SH = Second half,
H = Home,
A = Away,
W = Matches won,
D = Matches drawn,
L = Matches lost,
C/M = Cards/Match.