A.J. Pierzynski hit two home runs and rookie Matt Wisler threw seven strong innings as the Atlanta Braves beat the Washington Nationals 2-1 on Tuesday night for just their fourth win in 17 tries against the Nats. Wisler (7-8) picked up the victory, giving up one run while striking out four and walking two. Rookie Arodys Vizcaino recorded his eighth save in nine chances.