LOS ANGELES (AP) - The Dodgers needed Javy Guerra to do a little extra and it proved too much for the rookie.
Chris Young scored the go-ahead run on a bases-loaded walk by Guerra in the 10th inning, lifting the NL West-leading Arizona Diamondbacks to a 5-4 win over Los Angeles on Tuesday night.
Guerra (2-1) got tagged with his first loss in the majors. The closer had allowed just one run over 19 2-3 innings in 20 appearances at Dodger Stadium.
``It was uncharacteristic for Javy to walk a couple of guys there, but it's part of the process for us,' Dodgers manager Don Mattingly said. ``Javy is continuing to work through all the experiences that we're going to go through, so I'm sure he's going to learn from it and bounce back.'
Gerardo Parra sparked the Diamondbacks with a tying homer off Hong-Chih Kuo with two out in the seventh, then a leadoff single in the 10th.
After Aaron Hill sacrificed and Justin Upton struck out, Guerra issued consecutive walks to Miguel Montero, Paul Goldschmidt and Young, helping Arizona win its second in a row and sixth in seven games.
The right-hander set career highs with two innings pitched, three walks and 38 pitches.
``He's got a great head for a closer, the way he approaches it, so he'll be ready to go the next time for sure,' Dodgers catcher A.J. Ellis said.
``One of the blessings in disguise with all the injuries has been the fact that some of the young guys in the bullpen have stepped up, like Javy and Kenley (Jansen) and Scott Elbert. So we've seen a lot of exciting prospects for the future. Guys are getting on-the-job training right now, and it's going to be a really dynamic bullpen in the future here.'
Micah Owings (7-0) pitched a scoreless ninth for the win and J.J. Putz finished for his 40th save in 44 chances.
Arizona starter Ian Kennedy was denied his 20th victory. The right-hander gave up four runs and seven hits, struck out four and walked one in six innings. It was his most runs since July 3, when he allowed seven in a 7-2 loss at Oakland.
Dodgers starter Chad Billingsley allowed three runs and four hits over 6 1-3 innings in his fourth straight no-decision.
``The past few starts have been a rough stretch,' he said. ``I'm trying to find my delivery again and trying to figure it out, I guess. I'm just going to keep working.'
Matt Kemp was hitless in five at_bats, including three strikeouts, for the Dodgers a day after going 2 for 4 with a homer in the series opener. Los Angeles has dropped three in a row since reaching the .500 mark last weekend.
Montero drove in three runs, including a two-run homer - his career-best 16th - in the first that gave Arizona the lead. His sacrifice fly in the third trimmed Los Angeles' advantage to 4-3.
The Dodgers scored four runs in the first.
Kemp hit a sacrifice fly, then James Loney, Aaron Miles and Jerry Sands had two-out hits. Loney doubled into the right-field corner, Miles singled to center and Sands doubled into the left-field corner to complete the scoring in the 34-minute inning.
NOTES: The Dodgers lost their first extra-inning home game of the season and fell to 8-2 in extra-inning games. ... Kennedy has allowed one run or less 15 times this season. ... The Diamondbacks are 7-2 at Dodger Stadium with one game remaining. ... The Dodgers have gone 14-5 in RF Juan Rivera's 19 starts in the cleanup position. He went hitless in four at_bats.
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