Stephen Strasburg. (AP Photo/Luis M. Alvarez)

Stephen Strasburg (4-4, 3.15 ERA) takes the mound with the chance to push the Nationals within 1.5 games of the Atlanta Braves in the National League East standings. Since the beginning of the 2013 season, Strasburg has a 0.31 ERA against the Phillies. He has faced the Phillies once already this season and allowed three runs, none earned, over six innings. The Nationals will face A.J. Burnett (3-4, 3.79), who has walked 37 batters in 73 2/3 innings. The lineups are here. As always, discuss the game below.