メサ・ソーラーソックス
On February 13, 2014, Vázquez was traded to the Washington Nationals, along with José Lobatón and Drew Vettleson, in exchange for Nate Karns. He suffered through elbow inflammation during the season, and was limited to 14 games started. After the 2014 regular season, the Nationals assigned Vázquez to the Mesa Solar Sox of the Arizona Fall League.