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The Nationals will go with their usual lineup against Marlins 27-year-old rookie Tom Koehler. Gio Gonzalez will try to lead a sweep against the Marlins.

1. Denard Span, CF

2. Ryan Zimmerman, 3B

3. Bryce Harper, LF

4. Jayson Werth, RF

5. Ian Desmond, SS

6. Adam LaRoche, 1B

7. Wilson Ramos, C

8. Anthony Rendon, 2B

9. Gio Gonzalez,  SP

Marlins

TBD.

9. Tom Koehler, SP