(AP Photo/David J. Phillip)

Coming off another comeback victory, the Nationals will try for their fourth straight win behind Tanner Roark. After leaving last night’s game with a sore quad, Adam LaRoche is playing tonight, as he said he would. The Nationals will get their first look at A.J. Burnett in a Phillies uniform.

Nationals

1. Denard Span, CF

2. Anthony Rendon, 3B

3. Jayson Werth, RF

4. Adam LaRoche, 1B

5. Ian Desmond, SS

6. Danny Espinosa, 2B

7. Nate McLouth, LF

8. Jose Lobaton, C

9. Tanner Roark, SP

Phillies

1. Tony Gwynn Jr., CF

2. Jimmy Rollins, SS

3. Chase Utley, 2B

4. Ryan Howard, 1B

5. Marlon Byrd, RF

6. Domonic Brown, LF

7. Carlos Ruiz, C

8. Cody Aschee, 3B

9. A.J. Burnett, SP