The Upton brothers have combined for 92 strikeouts in only 271 at bats.
Matt Magill gets the call in the series finale on Sunday in place of Josh Beckett, who was placed on the disabled list on Wednesday.
The Dodgers lost three games in a row for the first time all season, but managed to salvage a .500 week to stay atop the National League West.
Ted Lilly has made three rehab starts for the Quakes this season and has been pegged with the loss in all of them
Starting Lineups Nationals Dodgers CF Span (L) SS Gordon (L) LF Lombardozzi (S) 2B Punto (S) 3B Zimmerman CF Kemp 1B LaRoche (L) 1B Gonzalez (L) SS Desmond C Ellis C Ramos ...
The left-handed pitcher was released by the Pirates on May 8 after putting up an 11.85 ERA in five appearances, including four starts.
Without Greinke, the Dodgers have gone 10-19 to fall into last place in the National League West. He returns to a major league mound 32 days after surgery to repair his broken collarbone.