| Referee | Matches | FH | SH | H | A | W | D | L |  |
 |
 |
C/M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jaime Herrera | 2 | 2 | 4 | 6 | - | 2 | - | - | 6 | - | - | 3 |
| Kevin Stott | 1 | 2 | 1 | 3 | - | - | - | 1 | 3 | - | - | 3 |
| Chris Penso | 1 | 2 | 1 | - | 3 | - | - | 1 | 3 | 1 | - | 3 |
| Jose Carlos Rivero | 2 | 1 | 4 | 2 | 3 | 1 | - | 1 | 5 | - | - | 2.5 |
| Robert Sibiga | 2 | 1 | 3 | 3 | 1 | 2 | - | - | 4 | - | - | 2 |
| Drew Fischer | 2 | 2 | 2 | - | 4 | - | 1 | 1 | 4 | 1 | - | 2 |
| Juan Guzman | 2 | 1 | 3 | 4 | - | 1 | - | 1 | 4 | - | - | 2 |
| Edvin Jurisevic | 1 | 1 | 1 | - | 2 | - | - | 1 | 2 | 1 | - | 2 |
| Alan Kelly | 1 | 2 | - | 2 | - | - | 1 | - | 2 | - | 1 | 2 |
| Ismail Elfath | 2 | 1 | 2 | - | 3 | - | 1 | 1 | 3 | - | - | 1.5 |
| Ricardo Salazar | 2 | 2 | 1 | 3 | - | - | 1 | 1 | 3 | - | - | 1.5 |
| Armando Villarreal | 2 | 2 | 1 | 3 | - | - | 1 | 1 | 3 | - | - | 1.5 |
| Mark Geiger | 2 | 1 | 2 | 2 | 1 | - | - | 2 | 3 | - | - | 1.5 |
| Jair Marrufo | 2 | 2 | 1 | 1 | 2 | 1 | 1 | - | 3 | - | - | 1.5 |
| Silviu Petrescu | 2 | 2 | 1 | - | 3 | - | - | 2 | 3 | - | 1 | 1.5 |
| Hilario Grajeda | 2 | - | 2 | - | 2 | 1 | 1 | - | 2 | - | - | 1 |
| Allen Chapman | 1 | - | 1 | - | 1 | 1 | - | - | 1 | - | - | 1 |
| Nima Saghafi | 1 | 1 | - | 1 | - | 1 | - | - | 1 | - | - | 1 |
| Sorin Stoica | 3 | 1 | 1 | - | 2 | 1 | 2 | - | 2 | - | - | 0.67 |
| Baldomero Toledo | 1 | - | - | - | - | - | - | 1 | - | - | - | 0 |
| 34 | 26 | 31 | 30 | 27 | 11 | 9 | 14 | 57 | 3 | 2 | 1.68 |
FH = First half,
SH = Second half,
H = Home,
A = Away,
W = Matches won,
D = Matches drawn,
L = Matches lost,
C/M = Cards/Match.