(John McDonnell/Washington Post)

Steve Lombardozzi will start at second and hit leadoff for only the second time this season, giving Danny Espinosa a day off.

Nationals

1. Steve Lombardozzi, 2B

2. Bryce Harper, RF

3. Ryan Zimmerman, 3B

4. Adam LaRoche, 1B

5. Ian Desmond, SS

6. Rick Ankiel, CF

7. Carlos Maldonado, C

8. Roger Bernadina, LF

9. Ross Detwiler, SP

Orioles

1. Robert Andino, 2B

2. J.J. Hardy, SS

3. Nick Markakis, RF

4. Adam Jones, CF

5. Matt Wieters, C

6. Wilson Betemit, 1B

7. Steve Tolleson, 3B

8. Xavier Avery, LF

9. Jason Hammel, SP