DC United most cards
18 players picked up 44 cards between them for DC United in 2018. From 35 matches played.
| # | Player | Cards | Yellow cards | Red cards |
|---|---|---|---|---|
| 1 | Paul Arriola | 8 | 7 | 1 |
| 2 | Joseph Martín Mora Cortéz | 4 | 3 | 1 |
| 3 | Chris Durkin | 4 | 4 | - |
| 4 | Russell Canouse | 4 | 4 | - |
| 5 | Steven Birnbaum | 4 | 4 | - |
| 6 | Darren Mattocks | 3 | 3 | - |
| 7 | Luciano Federico Acosta | 3 | 3 | - |
| 8 | Oniel David Fisher | 3 | 3 | - |
| 9 | Nick DeLeon | 2 | 2 | - |
| 10 | Bruno Miranda Villagomez | 1 | 1 | - |
| 11 | Frédéric Brillant | 1 | 1 | - |
| 12 | Junior Leonardo Moreno Borrero | 1 | 1 | - |
| 13 | Kofi Opare | 1 | 1 | - |
| 14 | Steve Clark | 1 | 1 | - |
| 15 | Ulises Segura Machado | 1 | 1 | - |
| 16 | Wayne Mark Rooney | 1 | 1 | - |
| 17 | Yamil Rodrigo Asad | 1 | 1 | - |
| 18 | Zoltán Stieber | 1 | 1 | - |