Billy Wagner , who blew a save opportunity in Atlanta’s 3-2, 11-inning loss to the Giants on Friday night, finished for his 27th save in 33 chances, striking out the side.
Hudson (13-5) allowed three hits, walked one and struck out six, improving to 4-0 with a sparkling 0.63 ERA in his last four starts. He is 3-0 with a 2.84 ERA in his last five starts against the Giants, dating to 2006.
The NL East-leading Braves have won three of four to improve to 38-15 at home, best in the majors.
San Francisco, which has dropped three of four, began the night one behind first-place San Diego in the NL West.
Matt Cain (9-9) allowed three runs and six hits in five innings for San Francisco, which has dropped three of four. Cain was 3-0 with 1.52 ERA in his previous four starts.
Marlins 5 Cardinals 4, 10 innings: At Miami, Hanley Ramirez hit an RBI double in the 10th inning to give Florida the much-needed victory.
Ramirez, Dan Uggla, and Donnie Murphy also homered for the Marlins, who snapped a five-game losing streak. Clay Hensley (2-4) pitched a scoreless 10th to get the win.
Chad Tracy hit a one-out single off Ryan Franklin (6-2) before Ramirez doubled to deep right-center field. Tracy’s headfirst slide into home easily beat the throw.
The Cardinals trailed 3-2 with two outs in the ninth before Yadier Molina and Aaron Miles each hit RBI singles off Leo Nunez . It was Nunez’s seventh blown save in 33 opportunities.
Uggla tied it with a drive off Franklin in the bottom half. It was Uggla’s ninth homer in his last 15 games and 25th overall.
Diamondbacks 6 Padres 5: At Phoenix, Chris Young started and ended the game with homers, powering Arizona to the win.
Young opened with his 16th career leadoff homer off Clayton Richard , helping the Diamondbacks build a 5-3 lead.
Jerry Hairston Jr. led off the San Diego ninth with a homer off Aaron Heilman (3-3), then Adrian Gonzalez tied it with a two-strike, two-out solo shot to left.
Young ended it quickly, hitting the winning homer off Luke Gregerson (3-6) to left, sending the sellout crowd of 48,946 happy on the night Luis Gonzalez became the first Diamondbacks player to have his number retired.
San Diego, the NL West leader since mid-June, has lost six of nine to see its lead drop to one over the San Francisco Giants, who lost at Atlanta.
Pirates 8 Rockies 7, 10 innings: At Pittsburgh, rookie Pedro Alvarez hit a winning three-run homer with two out in the 10th inning to send the Pirates to a wild victory.
Alvarez’s 10th homer and second in as many days came on an 0-1 pitch from Huston Street (2-3) with Andrew McCutchen and Garrett Jones aboard.
Ian Stewart hit a tying three-run homer in the ninth for the Rockies and Todd Helton’s two-run shot off Sean Gallagher (2-0) in the 10th made it 7-5.
Jones and Chris Snyder also homered for last-place Pittsburgh, which has won three of five. Alvarez, the No. 2 overall draft pick two years ago, connected for the ninth time at home this season, capping a 3-for-6 night.
Mets 1 Phillies 0: At Philadelphia, Johan Santana allowed five hits in 7 1-3 innings and Jeff Francoeur homered for New York.
Francisco Rodriguez got the final five outs for his 24th save in 29 chances as the Mets ended Philadelphia’s five-game winning streak and 12-game home surge.
Santana (9-6) struck out six, walked three and didn’t allow a hit until Placido Polanco singled with two outs in the sixth.
Cole Hamels (7-8) had given up five hits heading into the seventh — with nine of his 11 strikeouts — before Francoeur led off with his 11th homer just over the right-center field fence.
Reds 4 Cubs 3: At Chicago, Drew Stubbs hurt the Cubs again, hitting a tiebreaking homer in the eighth inning and driving in a pair of runs to lead surging Cincinnati to the victory.
Stubbs doubled and scored in the third, started the eighth with his 14th homer and singled in a run in the ninth. The speedy center fielder snapped out of a 1-for-37 funk after being benched for five games. He is batting .318 with five homers against the Cubs this season.
Reds closer Francisco Cordero entered with a 4-1 lead but walked the bases loaded and before forcing in a run by hitting Starlin Castro with an 0-2 pitch. Nick Masset came on and struck out Derrek Lee , walked Aramis Ramirez for Chicago’s final run and struck out Marlon Byrd for his second save.
The NL Central-leading Reds have won six of seven to move 15 games over .500 for the first time since the end of the 1999 season. Logan Ondrusek (3-0) got the victory.
Randy Wells (5-10) allowed three runs and five hits in seven-plus innings for Chicago.
Brewers 5 Astros 2: At Milwaukee, Rickie Weeks hit an inside-the-park homer and George Kottaras added a solo shot to help Milwaukee get the win.
Randy Wolf (8-9) gave up two runs and nine hits in 6 2-3 innings for the Brewers. The left-hander was forced to leave his previous start last Sunday against the Astros in the seventh inning when he was struck on the wrist by a ball hit by Hunter Pence .
Dodgers 3 Nationals 2, 10 innings: At Los Angeles, James Loney singled home the winning run with one out in the 10th inning and the Dodgers beat the Nationals.
Sean Burnett (0-6) came on in the 10th and gave up a leadoff walk to pinch-hitter Ronnie Belliard , who took third on Scott Podsednik’s single to right-center. The Nationals then went to a five-man infield, pulling Michael Morse in from right field, and Morse held Belliard on a chopper over the mound by Ryan Theriot .
Andre Ethier was intentionally walked to set up a possible double play and Morse returned to his normal position, but Loney lined a 1-0 pitch down the right field line to end it. Jonathan Broxton (4-3) earned the victory with his second two-inning stint this season.
