Washington's Bryce Harper hit a tiebreaking double in the sixth inning, lifting the Nationals to a 2-1 victory over the Arizona Diamondbacks Thursday. Washington starter Ross Detwiler (3-1) allowed one run over 6 1-3 innings in his longest outing this season. Arizona starter Ian Kennedy (3-1) lost for the first time in 13 starts, snapping a personal nine-game winning streak. The National League East-leading Nationals have won five of six over the Diamondbacks this season. Henry Rodriguez pitched the ninth for the save. Phillies 4, Braves 0: In Atlanta, Joe Blanton pitched his first shutout in five years to guide Philadelphia past Atlanta. Blanton (3-3) did not walk a batter and had six strikeouts in his third career shutout. Shane Victorino hit a two-run homer for the Phillies. Braves starter Randall Delgado (2-3) allowed six hits in eight innings. Pirates 6, Cardinals 3: In St. Louis, Erik Bedard struck out a season-high 11, including a team-record seven in a row as Pittsburgh set a club mark by fanning 17 batters in the win over St. Louis. Bedard (2-4) was pulled after five innings but Pittsburgh's relievers kept piling up the strikeouts — the 17 Ks were the most by Pittsburgh in a nine-inning game since 1900, the team said in citing research by the Elias Sports Bureau. Cardinals starter Jake Westbrook (3-2) gave up four runs in 6 1-3 innings. Marlins 3, Giants 2: In San Francisco, pitcher Anibal Sanchez allowed only one run in seven innings to steer Miami to a tight win over San Francisco. Sanchez (2-0) struck out five and walked only one batter. Hanley Ramirez drove in a pair of runs without a hit for the Marlins, who completed a three-game sweep. Giants starter Ryan Vogelsong (0-2) was tagged for eight hits in seven innings, walking four while throwing 116 pitches. Reds 4, Cubs 3, 10 innings: In Cincinnati, the hosts scored three runs in the ninth to tie the game, then Scott Rolen hit a sacrifice fly in the 10th to give Cincinnati victory over Chicago. Cubs closer Carlos Marmol walked three of the five batters he faced, one with the bases loaded. He has blown three of his five save chances, walking 12 in 8 2-3 innings. Chicago starter Ryan Dempster returned from injury and pitched eight shutout innings on his 35th birthday to be in line for his first win over the season before Marmol blew it. Opposing starter Homer Bailey was also celebrating a birthday, his 26th. It was the first time in major league history that both starters pitched on their birthday, according to information provided by the Reds, citing the Elias Sports Bureau. Buckner ball up for auction The baseball made famous when it rolled through Boston Red Sox first baseman Bill Buckner's legs in the 1986 World Series is being sold. Heritage Auctions said the ball is expected to bring in more than $100,000 during the auction in Dallas. Mookie Wilson's grounder rolled through Buckner's legs in Game 6, allowing the New York Mets to rally with two outs in the 10th inning. The Mets went on to win the series. The ball was picked up by the right field umpire, who gave it to Mets executive Arthur Richman.