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PHILADELPHIA -- With his father watching from a front-row seat and his childhood hero in the opposite dugout, Dee Gordon made his first career start a memorable one.

So did Rubby De La Rosa.

Gordon had three hits, De La Rosa pitched five effective innings and the Los Angeles Dodgers beat the Philadelphia Phillies 6-2 Tuesday night.

"It's a great feeling," said Gordon, the speedy shortstop and son of former major league pitcher Tom Gordon.

De La Rosa (2-0) allowed one run, constantly having to pitch out of trouble because he walked five and gave up four hits.

Matt Kemp hit a two-run homer for the Dodgers, who've won six of nine.

Roy Oswalt (3-4) lost his fourth straight decision. Oswalt allowed four runs and eight hits in six innings to remain winless since April 21.

The NL East-leading Phillies have lost five of seven.

"We didn't deserve to win the game," Phillies manager Charlie Manuel said. "We've got to play better."

Gordon used to hang out in the Phillies clubhouse when his father played here from 2006-08. He made his major league debut as a pinch runner and scored in the ninth in a loss Monday night.

Gordon got some advice before the game from Jimmy Rollins. Then he went out and played like the old J-Roll, the 2007 NL MVP.

"He just told me to play hard, go up there and believe in yourself," Gordon said. "That's all I can do. It's fun to go out there and compete."

With his dad sitting behind the Dodgers dugout, Gordon led off the game with a single and singled in his next two at-bats. He scored a run, stole a base and finished 3 for 5.

"It was nice for him to get out of the gate with a couple hits," Dodgers manager Don Mattingly said. "He's going to be exciting. He's a guy that's fun to watch."

De La Rosa made three relief appearances before getting his first start. He settled in after battling control issues in the early innings.

"I stayed back and focused on throwing strikes," he said through an interpreter. "I was trying to throw every pitch on the black and the ball started cutting on me. I kind of started focusing on throwing to the catcher's mask."

De La Rosa got the Dodgers started in the third with a walk. After Gordon singled, Casey Blake's RBI single gave Los Angeles a 2-1 lead. Gordon scored when Oswalt's pickoff throw to first sailed wide for an error. Andre Ethier followed with an RBI single to make it 4-1.

Ethier saved a run when he threw out Raul Ibanez trying to score from second on Wilson Valdez's single to right in the third.

The Phillies got within 4-2 on Chase Utley's RBI triple off Scott Elbert in the seventh.

Kemp connected off Michael Stutes in the eighth, hitting an opposite-field shot to right. Kemp is tied with Cincinnati's Jay Bruce for the NL lead with 17 homers. He finished the game leading the league with 50 RBIs.

Dioner Navarro's RBI single in the second gave Los Angeles a 1-0 lead. Kemp led off with a double. He should've been doubled off second when Juan Uribe lined out to second baseman Utley, but his throw to shortstop Valdez was wide. After James Loney walked, Navarro lined a hit to left.

The Phillies loaded the bases in the bottom half on two walks and a single. After Oswalt struck out, Shane Victorino grounded into a fielder's choice back to the mound. But De La Rosa walked Placido Polanco to force in a run.

Rollins missed his third straight start with a bruised right knee, but lined out as a pinch hitter in the ninth.

Game notes

Former Phillies closer Brad Lidge got good news on his injured elbow after being examined by the team physician. Lidge has no serious damage and received a cortisone shot. Lidge has been sidelined all season, but hopes to return around the All-Star break. ... A crowd of 44,721 was the 167th straight sellout at Citizens Bank Park, including the postseason. ... Kemp was 0 for 8 against Oswalt before he hit a double. ... A teenage girl made the defensive play of the night, reaching over the railing in the second deck to catch a foul ball with her left-handed glove in the top of the ninth. ... The Phillies have not hit a homer in the last six games. ... Uribe is hitting .375 (9 for 24) in his last seven games.