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3/11/2013 7:22 P.M. ET

Parker struggles, Smith solid at plate as A's fall

PEORIA, Ariz. -- Kyle Blanks and Nick Hundley continued their torrid springs with back-to-back RBI doubles in the first inning as the Padres plated three runs in the frame. They'd never look back en route to a 10-0 victory over Oakland on Monday at Peoria Sports Complex.

A's starter Jarrod Parker was knocked around a bit. He surrendered two solo homers -- to Padres second baseman Jonathan Galvez in the second and left fielder Travis Buck in the fourth -- and finished with a line of five runs on six hits in four innings.

"I got through four, and that's really all I was trying to do," Parker said. "It was just my second time in a game, so I was trying to work on a few things. I got early swings, and they were either early hits or early outs, so I'll take it. It's all about staying healthy and building up that arm strength right now."

For the Padres, right-hander Tyson Ross got the start against the club that traded him last November. He tossed three scoreless frames, striking out three while allowing two hits. Ross is competing for the rotation's No. 5 spot, and outings like Monday's will help him there, though he will need to be more efficient after throwing 62 pitches -- 38 of which were strikes.

"Overall, the pitching was good," Padres manager Bud Black said. "It all started out with Tyson. [He had] good velocity, showed some good sliders."

A's outfielder Seth Smith stayed hot at the plate, running his Cactus League hitting streak to eight games with a second-inning single. During that time he's hitting 9-for-16.

San Diego's Carlos Quentin was scratched from his start at designated hitter with minor soreness in his right knee. He was replaced by Yonder Alonso, who went 1-for-3 with his first homer of the spring and three RBIs.

A's up next: The A's will host the Royals on Tuesday for a 1:05 p.m. PT start with a live exclusive audio webcast, with Oakland lefty Tommy Milone set to match up against Kansas City right-hander James Shields at Phoenix Municipal Stadium. Milone, who is slated to throw about 60 pitches, has yet to allow a run in five innings spanning two starts this spring.

AJ Cassavell is a reporter for MLB.com Follow him on Twitter @ajcassavell. This story was not subject to the approval of Major League Baseball or its clubs.