The Nationals at the mercy of the WBC when it comes to the schedule for Ross Detwiler and Gio Gonzalez.
Adam LaRoche would think about playing for Team USA if asked, but he doesn't feel game ready yet.
Team USA has a bullpen spot open after an injury, and Tyler Clippard and Ryan Mattheus would both like to fill it.
The Nationals outfielder finishes 1 for 5 in a 5-0 upset win over South Korea in the opening round of the WBC.
Ross Detwiler will join Gio Gonzalez in the Team USA rotation in next month's World Baseball Classic.
The Nationals are adjusting the left-hander's schedule to coincide with his World Baseball Classic schedule.
The left-hander becomes the first Nationals player to commit to representing the United States in the event.
General Manager Mike Rizzo had said he would support any player who was asked, but none chose to play.
Three players in the Nationals organization, including catcher Jhonatan Solano, and one coach, are representing their countries in the World Baseball Classic qualifiers, another round of which begins Thursday.