Nationals reliever Henry Rodriguez had surgery Friday to remove a bone spur from his right elbow, an injury that likely plagued him much longer than he revealed.
The Nationals had a road trip to forget, but have regrouped quickly as they head into September.
Edwin Jackson tossed eight dominant innings and was bolstered by an offensive explosion as the Nationals beat the Cardinals 8-1.
Jayson Werth and Bryce Harper each homered to ignite the lineup, and Edwin Jackson took care of everything else after that.
Davey Johnson says Stephen Strasburg will make two or three more starts before the Nationals ace is shut down for the season.