The 29-year old righthander threw a complete-game shutout, allowing only five hits with six strikeouts and zero walks.
Washington, in the midst of the best season in the fledgling franchise's young history, has a fairly middle-of-the-pack offense but they've moved to the top of the NL East thanks to a dominant rotation, headlined by Strasburg.
However, the 24-year old flamethrower looked mortal on Tuesday, as he was chased from the game after only five innings by a Miami offense that was clicking on all cylinders. Jose Reyes was the only starter without a hit on Tuesday, with Jose Ruggiano, Greg Dobbs and Giancarlo Stanton combining for 7 RBI's.
The win moves the Marlins to 59-71, still a whopping 19 games back of the Nationals.
For more on the Marlins, be sure to check out Fish Stripes and join the discussion.