| Referee | Matches | FH | SH | H | A | W | D | L |  |
 |
 |
C/M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Terry Vaughn | 1 | - | 3 | 3 | - | 1 | - | - | 3 | - | - | 3 |
| Juan Guzman | 2 | 1 | 3 | - | 4 | - | 1 | 1 | 4 | - | - | 2 |
| Geoff Gamble | 2 | - | 3 | 3 | - | 1 | - | 1 | 3 | - | - | 1.5 |
| Sorin Stoica | 2 | - | 3 | 2 | 1 | - | 1 | 1 | 3 | - | - | 1.5 |
| Hilario Grajeda | 3 | 3 | 1 | 4 | - | 1 | 1 | 1 | 4 | - | - | 1.33 |
| Jorge Gonzalez | 3 | - | 4 | 1 | 3 | 1 | - | 2 | 4 | 1 | - | 1.33 |
| Drew Fischer | 3 | - | 4 | 1 | 3 | 1 | 1 | 1 | 4 | - | - | 1.33 |
| Silviu Petrescu | 2 | - | 2 | 2 | - | 1 | - | 1 | 2 | - | 1 | 1 |
| Edvin Jurisevic | 2 | 2 | - | - | 2 | - | 1 | 1 | 2 | - | - | 1 |
| Kevin Gonzalez | 1 | - | 1 | - | 1 | - | - | 1 | 1 | - | - | 1 |
| Jair Marrufo | 1 | 1 | - | - | 1 | - | - | 1 | 1 | - | - | 1 |
| David Gantar | 1 | - | 1 | - | 1 | - | - | 1 | 1 | - | 1 | 1 |
| Baldomero Toledo | 1 | - | 1 | 1 | - | - | 1 | - | 1 | - | - | 1 |
| Jasen Anno | 1 | - | 1 | - | 1 | - | 1 | - | 1 | - | - | 1 |
| Allen Chapman | 1 | - | 1 | 1 | - | - | - | 1 | 1 | - | - | 1 |
| Armando Villarreal | 1 | - | 1 | - | 1 | - | - | 1 | 1 | - | - | 1 |
| Matthew Foerster | 1 | 1 | - | 1 | - | - | 1 | - | 1 | - | - | 1 |
| Elias Bazakos | 3 | 1 | 1 | - | 2 | 1 | - | 2 | 2 | - | - | 0.67 |
| Kevin Stott | 2 | 1 | - | 1 | - | 1 | - | 1 | 1 | - | - | 0.5 |
| Ricardo Salazar | 1 | - | - | - | - | 1 | - | - | - | - | - | 0 |
| 34 | 10 | 30 | 20 | 20 | 9 | 8 | 17 | 40 | 1 | 2 | 1.18 |
FH = First half,
SH = Second half,
H = Home,
A = Away,
W = Matches won,
D = Matches drawn,
L = Matches lost,
C/M = Cards/Match.