Yan Gomes homered and added an RBI single to help the Washington Nationals beat the Arizona Diamondbacks 6-2 for their first back-to-back wins this season.

Kyle Schwarber doubled in a run in his delayed Nationals debut, Andrew Stevenson had a pinch-hit homer and Washington beat the St. Louis Cardinals 5-2.

Atlanta pinch-hitter Pablo Sandoval drove a two-run homer to the deepest part of the ballpark off a Washington reliever who took over after Stephen Strasburg’s six scorel...