Beckett pitched just three innings on Monday and on the season is 0-5 with a 5.19 ERA.
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.
Yasiel Puig says forget me not as he reached base 5 times on Tuesday and hit his first homer since May 2nd
Duke von Schamann allowed just 2 hits over 7 innings on Monday while striking out 7 in the Quakes 5 - 1 victory
The loss snapped a five-game home winning streak the Dodgers had over the Nationals. Josh Beckett lasted just three innings in defeat.