The Washington Nationals today optioned right-handed pitchers Adam Carr and Garrett Mock to Syracuse of the Triple-A International League and re-assigned right-handed pitchers Luis Atilano, J.D. Martin and Josh Wilkie, catchers Carlos Maldonado and Jhonatan Solano, infielders Michael Aubrey and Kevin Barker, and outfielders Jeff Frazier and Jonathan Van Every to minor-league camp. Additionally, the Nationals released right-handed pitcher Cla Meredith. Nationals Executive Vice President of Baseball Operations and General Manager Mike Rizzo made the announcements. The Nationals currently have 46 players in their big league camp.