Ross Detwiler pitching for the Nationals in Game 4 of the NLDS

Adam LaRoche rounds the bases after hitting a home run

Adam LaRoche is greated by teammates after hitting a home run

Bryce Harper stands in centerfield during Game 4 of the NLDS

The President's Race

The Nationals watch as Jayson Werth comes up to bat in the 9th inning

Jayson Werth hits a walk-off home run to win Game 4 of the NLDS

The Nationals watch as Jayson Werth comes up to bat in the 9th inning

The Nationals watch as Jayson Werth comes up to bat in the 9th inning

The Nationals watch as Jayson Werth comes up to bat in the 9th inning

The Nationals watch as Jayson Werth comes up to bat in the 9th inning

Kurt Suzuki celebrates Jayson Werth's walk-off home run

Nationals' players celebrate winning Game 4 of the NLDS

Jayson Werth and Nationals teammates celebrate winning Game 4 of the NLDS

Jayson Werth and Nationals teammates celebrate winning Game 4 of the NLDS