Option declined following 2018 season.
Dominguez is a center back who will look to earn a role with the 'Caps after a successful career in his native El Salvador.
INTERNATIONAL: Dominguez has made 15 appearances for El Salvador, and was on the La Selecta roster for the 2017 Concacaf Gold Cup. He has also featured for the youth national team, most recently for the U-21 side in the 2018 Central American and Caribbean Games.
OUTSIDE MLS: Domínguez began his professional career in the Salvadoran Primera División, making his debut with CD Juventud Independiente in 2014, then has featured with Santa Tecla FC since 2015. In four plus seasons, Domínguez has made 136 appearances in league play. The 5-foot-10 centre back also saw Concacaf League and Concacaf Champions League action for Santa Tecla, making seven appearances.