Gio Gonzalez gets his playoff start and the Nationals will face Giants veteran right-hander Ryan Vogelsong.
The Nationals face elimination in San Francisco, and Doug Fister will face off against Madison Bumgarner.
Today's mid-afternoon start means left fielders will struggle with the sun, and so will the hitters.
The Nationals trail the Giants, 1-0, in the NLDS and send Jordan Zimmermann to the mound against Tim Hudson.
In the first game of the opening round, it's Stephen Strasburg against Jake Peavy.
In the final game of the season, it's Jordan Zimmermann vs. Henderson Alvarez.
Stephen Strasburg will try to beat the Marlins with a chance to re-take the NL lead in strikeouts.
The Nats will finish off their doubleheader with the Marlins behind spot starter Taylor Hill.
Doug Fister vs. Jarred Cosart.
Gio Gonzalez vs. Zack Wheeler.