Asdrubal Cabrera went 0-for-4 on Friday in his first game with the Nationals.
Ian Desmond went 2-for-4 with two singles and an RBI in Friday's loss to the Phillies.
Doug Fister tossed seven innings of two-run ball in a losing effort against the Phillies on Friday.
Nationals optioned RHP Aaron Barrett to Triple-A Syracuse.
Nationals manager Matt Williams said Thursday that the newly acquired Asdrubal Cabrera will receive the "majority" of the starts at second base.
Denard Span knocked in a pair of runs with a single, one of his two hits in four at-bats, as the Nationals were defeated by the Phillies 10-4 on Thursday.
Gio Gonzalez didn't make it out of the fourth inning, allowing five runs in 3 2/3 innings, as he took his seventh loss of the season on Thursday against the Phillies.
Ryan Zimmerman (hamstring) will be shut down for at least the next two weeks.
Nationals recalled RHP Blake Treinen from Triple-A Syracuse.
Nationals acquired SS Asdrubal Cabrera from the Indians for SS Zach Walters.
According to MLB.com's Jordan Bastian, the Indians have traded Asdrubal Cabrera to the Nationals.
FOX Sports' Ken Rosenthal reports that the Nationals are among the teams eyeing Asdrubal Cabrera.
CBS Sports' Jon Heyman reports the Blue Jays are looking at Asdrubal Cabrera to fill their second base vacancy.
Tanner Roark delivered seven innings of one-run ball Wednesday in the Nationals' 4-3 defeat of the Marlins.
Jayson Werth is back in the Nationals' lineup Wednesday.