Referees: Major League Soccer
Major League Soccer · Season 2018/19
| Referee | MP | Yellows/m | Fouls/m | Yellows/100 fouls | Pens/m |
|---|---|---|---|---|---|
| Robert SibigaUSA | 29 | 3.48 | 20.1 | 17.3 | 0.10 |
| Allen ChapmanUSA | 28 | 3.21 | 20.1 | 16.0 | 0.50 |
| Ted UnkelUSA | 25 | 3.60 | 21.2 | 16.9 | 0.32 |
| Alan KellyIreland | 25 | 2.92 | 22.2 | 13.2 | 0.32 |
| Baldomero ToledoUSA | 24 | 3.29 | 26.0 | 12.7 | 0.50 |
| Jose Carlos RiveroUSA | 24 | 4.38 | 25.6 | 17.1 | 0.33 |
| Ismail ElfathUSA | 24 | 3.42 | 24.3 | 14.0 | 0.25 |
| Kevin StottUSA | 23 | 2.78 | 21.5 | 12.9 | 0.22 |
| Villarrea ArmandoUSA | 22 | 3.45 | 21.8 | 15.8 | 0.18 |
| Drew FischerCanada | 21 | 2.90 | 21.4 | 13.6 | 0.19 |
| Nima SaghafiUSA | 20 | 4.90 | 26.9 | 18.2 | 0.25 |
| Chris PensoUSA | 19 | 4.63 | 24.3 | 19.1 | 0.21 |
| Hilario GrajedaUSA | 17 | 2.82 | 24.4 | 11.6 | 0.24 |
| Mark GeigerUSA | 16 | 3.38 | 23.5 | 14.4 | 0.19 |
| Sorin StoicaUSA | 15 | 4.07 | 23.1 | 17.6 | 0.40 |
| David GantarCanada | 15 | 3.07 | 21.3 | 14.4 | 0.07 |
| Jair MarrufoUSA | 11 | 3.09 | 22.8 | 13.5 | 0.18 |
| Fotis BazakosUSA | 9 | 3.00 | 23.3 | 12.9 | 0.22 |
| Petrescu SilvioCanada | 9 | 4.44 | 25.3 | 17.5 | 0.33 |
| Jair Antonio MaruffoUSA | 7 | 2.86 | 22.9 | 12.5 | 0.43 |
| Joseph DickersonUSA | 7 | 4.71 | 27.9 | 16.9 | 0.29 |
| Chico GrajedaUSA | 4 | 3.25 | 24.0 | 13.5 | 0.00 |
| Rubiel VazquezUSA | 4 | 3.75 | 19.3 | 19.5 | 0.00 |
| Marcos de OliveiraUSA | 3 | 4.33 | 24.3 | 17.8 | 0.33 |