Bryce Harper homered in the sixth and scored the go-ahead run in the 10th as the Nationals beat the Giants 2-1 on Wednesday.
Gio Gonzalez pitched 7 1/3 innings of one-run ball in a no-decision against the Giants on Wednesday.
Rafael Soriano bounced back from Tuesday's blown save to pitch a scoreless inning for his 13th save Wednesday against the Giants.
Logan Forsythe (foot) will begin playing in extended spring training games on Friday.
Marco Scutaro went 0-for-3 with two walks Wednesday against the Nationals, snapping his 19-game hitting streak.
Cameron Maybin (wrist) will begin a rehab assignment with Triple-A Tucson on Friday.
Carlos Quentin is out of the Padres' lineup again Wednesday after receiving an injection in his left knee Tuesday.
Vidal Nuno will start Saturday against the Rays.