Washington Nationals' Bryce Harper (34) celebrates scoring with Adam LaRoche (25) during the fifth inning of the first baseball game of a doubleheader against the Los Angeles Dodgers at Nationals Park, Wednesday, Sept. 19, 2012, in Washington. The Nationals won the first game 3-1. (AP Photo/Alex Brandon)
Washington Nationals' Bryce Harper in the dugout during their baseball game against the Chicago Cubs at Nationals Park, Tuesday, Sept. 4, 2012, in Washington. (AP Photo/Richard Lipski)
Washington Nationals' Bryce Harper in the dugout during their baseball game against the Chicago Cubs at Nationals Park, Tuesday, Sept. 4, 2012, in Washington. (AP Photo/Richard Lipski)
Washington Nationals' Bryce Harper fields a fly ball hit by Philadelphia Phillies' Erik Kratz for an out in the fifth inning of a baseball game on Sunday, Aug. 26, 2012, in Philadelphia. The Phillies won 4-1. (AP Photo/H. Rumph Jr)
Washington Nationals' Bryce Harper looks back onto the field before heading into the clubhouse after their baseball game against the Chicago Cubs at Nationals Park, Wednesday, Sept. 5, 2012, in Washington. (AP Photo/Richard Lipski)
Washington Nationals' Bryce Harper looks back onto the field before heading into the clubhouse after their baseball game against the Chicago Cubs at Nationals Park, Wednesday, Sept. 5, 2012, in Washington. (AP Photo/Richard Lipski)
Washington Nationals' Bryce Harper steals third base on a wild pitch as Chicago Cubs third baseman Josh Vitters, left, applies a late tag during the seventh inning of their baseball game, Tuesday, Sept. 4, 2012, in Washington. Harper scored on teammate Jayson Werth's single to right field. (AP Photo/Richard Lipski)
Washington Nationals' Bryce Harper steals third base on a wild pitch as Chicago Cubs third baseman Josh Vitters, left, applies a late tag during the seventh inning of their baseball game, Tuesday, Sept. 4, 2012, in Washington. Harper scored on teammate Jayson Werth's single to right field. (AP Photo/Richard Lipski)
Jayson Werth and Bryce Harper sparked the Nationals in their win over the Cardinals Thursday night. (Associated Press)
