Washington Nationals pitcher Doug Fister throws during a spring training baseball workout, Monday, Feb. 17, 2014, in Viera, Fla. (AP Photo/Alex Brandon)
Washington Nationals' Michael Taylor slides safely into home as Atlanta Braves relief pitcher Juan Jaime can't handle throw after a passed ball, in the fifth inning of an exhibition baseball game, Saturday, March 1, 2014, in Viera, Fla. The Nationals won 16-15. (AP Photo/Alex Brandon)
Washington Nationals' Mike Fontenot hits a three-RBI double in the sixth inning of a spring exhibition baseball game against the Atlanta Braves, Saturday, March 1, 2014, in Viera, Fla. The Nationals won 16-15. (AP Photo/Alex Brandon)
Washington Nationals relief pitcher Luis Ayala, left, celebrates with catcher Sandy Leon after a spring training baseball game against the Atlanta Braves, Saturday, March 1, 2014, in Viera, Fla. The Nationals won 16-15. (AP Photo/Alex Brandon)
Washington Nationals' Zach Walters hits in the second inning of a spring exhibition baseball game against the Atlanta Braves, Saturday, March 1, 2014, in Viera, Fla. (AP Photo/Alex Brandon)
Atlanta Braves' Freddie Freeman hits a an RBI double in the third inning of a spring exhibition baseball game against the Washington Nationals, Saturday, March 1, 2014, in Viera, Fla. (AP Photo/Alex Brandon)
Atlanta Braves starting pitcher Julio Teheran throws in the first inning of a spring exhibition baseball game against the Washington Nationals, Saturday, March 1, 2014, in Viera, Fla. (AP Photo/Alex Brandon)
Washington Nationals starting pitcher Jordan Zimmermann throws in the first inning of a spring exhibition baseball game against the Atlanta Braves, Saturday, March 1, 2014, in Viera, Fla. (AP Photo/Alex Brandon)