Cory Lidle, RHP (12-11, 4.65)
WSH Livan Hernandez, RHP (15-9, 3.95)
Nationals (81-78 )
Lidle came up large in his previous start against Cincinnati, allowing three runs -- two earned -- in seven innings. He's 3-1 with a 3.97 ERA in four September starts.
Hernandez will face the Phillies for the third time this season. He is 1-1 with a 6.39 ERA against them. In his last start, Hernandez had one bad inning on Saturday night, and it cost him, as the Nationals lost to the Mets, 5-2, in front of 32,467 at Robert F. Kennedy Stadium.