| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Jair Marrufo | 12 | 7 | - | - | 1.71 |
| Hilario Grajeda | 4 | 3 | - | - | 1.33 |
| Andrea Gervasoni | 5 | 3 | - | - | 1.67 |
| Ted Unkel | 7 | 3 | - | - | 2.33 |
| Chris Penso | 8 | 3 | - | - | 2.67 |
| Ismail Elfath | 11 | 3 | - | - | 3.67 |
| Baldomero Toledo | 12 | 3 | - | - | 4 |
| Andrea De Marco | 4 | 2 | - | - | 2 |
| Nima Saghafi | 5 | 2 | - | - | 2.5 |
| Michael Weiner | 6 | 2 | - | - | 3 |
| Mark Geiger | 8 | 2 | - | - | 4 |
| Robert Sibiga | 8 | 2 | - | - | 4 |
| Gunther Perl | 8 | 2 | - | - | 4 |
| Alan Kelly | 12 | 2 | - | - | 6 |
| Allen Chapman | 14 | 2 | - | - | 7 |
| Julio Bascunan | 1 | 1 | - | - | 1 |
| Christian Dingert | 1 | 1 | - | - | 1 |
| Benito Archundia | 2 | 1 | - | - | 2 |
| Paolo Valeri | 2 | 1 | - | - | 2 |
| Andrea Romeo | 2 | 1 | - | - | 2 |
| Markus Schmidt | 2 | 1 | - | - | 2 |
| Ramy Touchan | 2 | 1 | - | - | 2 |
| Lutz Wagner | 2 | 1 | - | - | 2 |
| Joseph Dickerson | 2 | 1 | - | - | 2 |
| Jochen Drees | 3 | 1 | - | - | 3 |
| Rubiel Vazquez | 3 | 1 | - | - | 3 |
| Walter Lopez | 3 | 1 | - | - | 3 |
| Marco Guida | 3 | 1 | - | - | 3 |
| Juan Guzman | 3 | 1 | - | - | 3 |
| Nicola Rizzoli | 3 | 1 | - | - | 3 |
| Manuel Grafe | 4 | 1 | - | - | 4 |
| Marcos de Oliveira | 4 | 1 | - | - | 4 |
| Michael Kempter | 4 | 1 | - | - | 4 |
| Sorin Stoica | 4 | 1 | - | - | 4 |
| Babak Rafati | 4 | 1 | - | - | 4 |
| Jorge Gonzalez | 5 | 1 | - | - | 5 |
| Joel Aguilar | 5 | 1 | - | - | 5 |
| Felix Brych | 5 | 1 | - | - | 5 |
| Knut Kircher | 5 | 1 | - | - | 5 |
| Paolo Mazzoleni | 5 | 1 | - | - | 5 |
| Jose Carlos Rivero | 7 | 1 | - | - | 7 |
| Gianluca Rocchi | 7 | 1 | - | - | 7 |
| Luca Banti | 8 | 1 | - | - | 8 |
| Jorge Larrionda | 1 | 0 | 1 | - | 1 |
P = Matches played,
C = Cards .