Sean Nolin really struggled in his major league debut Friday, giving up six runs in just 1 1/3 innings against the Orioles.
Scott Feldman turned in his worst outing of the season in Friday’s loss to the Reds, allowing five runs on seven hits over his 5 1/3 innings.
Chris Davis went 3-for-4 with his major league-leading 16th homer in a win over the Blue Jays on Friday.
Melky Cabrera went 2-for-5 with a two-run homer Friday against the Orioles.
David Phelps has been diagnosed with a right forearm contusion after X-rays came back negative on Friday.
Nationals recalled INF Jeff Kobernus from Triple-A Syracuse.
Brett Gardner smacked a two-run homer in Friday's 9-4 win over the Rays.
Roberto Hernandez was touched up for five runs over four innings Friday in a loss to the Yankees.