The Houston Dynamo opened 2018 preseason training on Tuesday morning, with 34 players in camp to start the year. In addition to the 24 players under contract with the first team and five SuperDraft picks, the Dynamo invited two players from USL affiliate Rio Grande Valley FC (goalkeeper Nico Corti and defender Justin Bilyeu), two trialists (goalkeeper Patrick McLain and defender Mikeil Williams), and midfielder Marcelo Palomino from the Dynamo Academy.
HOUSTON DYNAMO PRESEASON ROSTER
| GOALKEEPERS (4) | |||||||
| No. | Player | Pos. | MLS Exp. | Age | Ht. | Wt. | FIFA Nationality |
| 18 | Chris Seitz | GK | 11 | 30 | 6-3 | 236 | USA |
| Michael Nelson | GK | 0 | 22 | 6-4 | 180 | USA | |
| Nico Corti | GK | 0 | 22 | 6-3 | 195 | USA, France | |
| † | Patrick McLain | GK | 4 | 29 | 6-3 | 205 | USA |
| DEFENDERS (13) | |||||||
| No. | Player | Pos. | MLS Exp. | Age | Ht. | Wt. | FIFA Nationality |
| 2 | Alejandro Fuenmayor | DF | 0 | 21 | 6-0 | 178 | Venezuela |
| 3 | Adolfo Machado | DF | 1 | 31 | 6-0 | 160 | Panama |
| 4 | Philippe Senderos | DF | 1 | 32 | 6-2 | 181 | Switzerland |
| 7 | DaMarcus Beasley | DF | 9 | 35 | 5-8 | 145 | USA |
| 15 | Dylan Remick | DF | 5 | 26 | 6-0 | 165 | USA |
| 16 | Kevin Garcia | DF | 1 | 26 | 6-0 | 185 | USA |
| 20 | A.J. DeLaGarza | DF | 9 | 30 | 5-9 | 150 | Guam |
| 21 | George Malki | DF | 1 | 24 | 5-10 | 160 | USA |
| 22 | Leonardo | DF | 8 | 29 | 6-2 | 185 | Brazil |
| Sheldon Sullivan | DF | 0 | 22 | 5-9 | 170 | USA | |
| Manny Padilla | DF | 0 | 21 | 5-9 | 165 | USA | |
| Justin Bilyeu | DF | 2 | 23 | 6-2 | 175 | USA | |
| † | Mekeil Williams | DF | 2 | 27 | 6-1 | 180 | Trinidad & Tobago |
| MIDFIELDERS (11) | |||||||
| No. | Player | Pos. | MLS Exp. | Age | Ht. | Wt. | FIFA Nationality |
| 5 | Juan David Cabezas | MF | 1 | 25 | 6-0 | 175 | Colombia |
| 6 | Eric Alexander | MF | 8 | 29 | 6-1 | 165 | USA |
| 8 | Memo Rodriguez | MF | 1 | 21 | 5-8 | 145 | USA |
| 10 | Tomás Martínez | MF | 1 | 22 | 5-9 | 145 | Argentina |
| 14 | Charlie Ward | MF | 1 | 22 | 5-8 | 168 | England |
| 23 | Arturo Álvarez | MF | 12 | 32 | 5-9 | 170 | El Salvador |
| 24 | Darwin Cerén | MF | 4 | 28 | 5-10 | 165 | El Salvador |
| 25 | Eric Bird | MF | 0 | 24 | 5-9 | 174 | USA |
| 27 | Boniek García | MF | 6 | 33 | 5-9 | 150 | Honduras |
| § | Marcelo Palomino | MF | 0 | 16 | 5-8 | 145 | USA |
| Pablo Aguilar | MF | 0 | 22 | 5-7 | 150 | Guatemala | |
| FORWARDS (6) | |||||||
| No. | Player | Pos. | MLS Exp. | Age | Ht. | Wt. | FIFA Nationality |
| 9 | Erick Torres | FW | 5 | 24 | 5-11 | 168 | Mexico |
| 11 | Andrew Wenger | MF | 6 | 26 | 6-0 | 185 | USA |
| 12 | Romell Quioto | FW | 1 | 25 | 5-11 | 170 | Honduras |
| 17 | Alberth Elis | FW | 1 | 20 | 6-0 | 165 | Honduras |
| 19 | Mauro Manotas | FW | 3 | 22 | 6-0 | 155 | Colombia |
| Mac Steeves | FW | 0 | 23 | 6-4 | 215 | USA | |
Draft pick
** RGV FC
† Trialist
§ Dynamo Academy
