WASHINGTON (AP) - Pinch-hitter Scott Hairston's sacrifice fly with one out in the 11th inning scored Jayson Werth to give the Washington Nationals a 6-5 victory over the Pittsburgh Pirates on Sunday night and complete a three-game sweep.
Werth, who had missed the last five games with a bothersome shoulder, entered the game as a pinch-hitter in the ninth and doubled leading off the 11th against Brandon Cumpton (3-4).
Werth went to third on Denard Span's grounder to first. Hairston then sent Cumpton's first pitch to deep left and Werth scored easily after the catch.
Ross Detwiler (2-2) pitched two innings for the win.
Span and Anthony Rendon had two hits each for National League East-leading Washington, which has won six straight.
The Pirates have lost five straight for the first time since September 2012.