The Washington Nationals announced their initial 30-man roster on Thursday. In addition, Washington selected the contracts of outfielder Emilio Bonifácio, left-handed pitcher Sam Freeman and right-handed pitcher Javy Guerra. Nationals President of Baseball Operations and General Manager Mike Rizzo made the announcements.

The Nationals 30-man roster is comprised of 15 pitchers, three catchers, seven infielders, and five outfielders.