LOS ANGELES -- Joy was written all over the face of Braden Shipley.

Jean Segura hit a leadoff homer and Shipley captured his first major league victory, helping the Arizona Diamondbacks to a 4-2 win over the Los Angeles Dodgers on Saturday night before 49,540 at Dodger Stadium.

The loss dropped the Dodgers (58-46) two games behind the National League West-leading San Francisco Giants, who defeated the Washington Nationals earlier Saturday.

The Diamondbacks (43-61) won for only the fifth time in the last 23 games at Dodger Stadium.

Shipley (1-1) played a huge role in the outcome. Shipley blanked Los Angeles for six innings, allowing five hits with four strikeouts and a walk. It was a stark contrast from his debut July 25 when he was knocked around for six runs in 5 1/3 innings in a loss to the Milwaukee Brewers.

"Super excited. Can't take all of the credit. Defense played great behind me all night," said Shipley, who became the seventh Diamondbacks pitcher to toss six or more scoreless innings within his first two career starts. "Can't say enough about our defense tonight."

Shipley's ability to keep his pitches down resulted in the Dodgers hitting just three fly balls against him, two of them coming off the bat of rookie shortstop Corey Seager.

"Just sticking with my plan," Shipley said. "Staying down in the zone and using my sinker effectively and that's kind of what I knew I had to do coming into tonight, just to be able to work down in the zone and mix pitches and use that sinker."

Arizona manager Chip Hale was impressed.

"Ship did a heck of a job. This is not an easy place to pitch, not an easy lineup to face, second big-league start, so I'm very proud of him," Hale said.

Jake Barrett served up a solo home run to Joc Pederson with two outs in the ninth before securing third save of the season, working the final 1 1/3 innings.

Scott Kazmir, who had not lost in his last 13 outings -- going 7-0 during the run -- struck out seven, walked none and surrendered four runs and eight hits in 6 2/3 innings as his streak ended. Kazmir (9-4) hadn't lost a start in July since 2010.

"We just let this one slip away," said Kazmir, who threw 109 pitches (77 strikes). "Giving up a three-spot early in the game and kind of (set) the tone. Shipley was great out there. He really pitched well. Just one of those things we just didn't kind of finish at the end."

Brandon Drury drove in pinch-hitter Phil Gosselin, who reached on a double, in the seventh inning for a 4-0 advantage to cap the Arizona scoring.

The Dodgers scored in the bottom of the inning when pinch-hitter Scott Van Slyke singled home Andrew Toles.

Seager tied Eric Karros' Los Angeles rookie mark for doubles in a season with 30. Seager, who went 1-for-3 with a walk, laced a two-bagger off Shipley with two outs in the third.

Segura, who went 2-for-3 with two RBIs, opened the game by smacking an 0-2 pitch from Kazmir into the bleachers in left for a 1-0 Arizona lead. It was the fourth leadoff homer this season and fifth of Segura's career.

Segura, who also was hit in the back by a pitch by Dodgers reliever Pedro Baez in the seventh, has hit safely in 11 of his last 12 games.

Run-scoring doubles by Chris Owings and Segura in the second boosted the Diamondbacks to a 3-0 edge.

Paul Goldschmidt, who entered the game batting .331 in his career against the Dodgers, went 0-for-4.

NOTES: The Diamondbacks designated RHP Josh Collmenter and INF/OF Michael Freeman for assignment. The club also selected the contracts of LHP Adam Loewen and LHP Steve Hathaway from Triple-A Reno and optioned LHP Zac Curtis, who was the losing pitcher in Friday's contest, to Double-A Mobile. ... OF Yasiel Puig will start Sunday in right field, manager Dave Roberts said. Puig hadn't played since July 22 before flying out as a pinch hitter in the seventh inning Friday. He played in right the rest of the game. ... Dodgers INF Chase Utley was presented the club's 2016 Heart and Hustle Award before the game by Dodgers icon Don Newcombe and first base coach George Lombard. ... Lakers coach Luke Walton threw out the ceremonial first pitch. ... Diamondbacks LHP Patrick Corbin (4-9, 5.31 ERA) faces Dodgers RHP Bud Norris (6-9, 4.27) in the series finale Sunday.