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2/28/2013 6:00 P.M. ET

Marquis makes strong start in return to Padres

Veteran righty cruises through two scoreless innngs; Amarista chips in two-run double

PEORIA, Ariz. -- It was a smooth debut for Royals pitcher James Shields and his San Diego counterpart, Jason Marquis, on Thursday at the Peoria Sports Complex.

Shields, in his first appearance of the spring, needed 13 pitches to coast through an easy first inning. Shields, who was obtained in a December trade with the Rays, struck out one.

Marquis, also making his first Cactus League appearance, worked two scoreless innings. He allowed one hit and struck out one.

The Royals edged the Padres, 5-4.

The Royals took a 1-0 lead in the third inning as Irving Falu doubled into the right field corner and then scored on a single to left field by Johnny Giavotella, who is in competition for the second base job. Giavotella later knocked in a run in the fifth inning.

The Padres tied the score in the bottom of the inning as Gregorio Petit tripled to left-center and later scored on a two-out single to left by Logan Forsythe.

The Royals later took a 2-1 lead in the fifth inning on a double to center field by former Padres catcher George Kottaras.

Kansas City pitcher Will Smith was impressive in his three innings in relief of Shields, allowing one run with five strikeouts.

San Diego pitcher Tyson Ross, trying to win a job in the starting rotation, allowed three runs on four hits over three innings.

Shields felt good about his short stint.

"All that really matters to me in Spring Training is to get my work in. Obviously, you want to get that timing down and get the release points and all that stuff," Shields said. "But the first outing felt great. I ended up throwing another inning in the bullpen to get some extra work done but everything felt good."

Marquis has been working on a changeup all spring, and finally unveiled it Thursday.

"I feel like it can be a weapon," Marquis said. "Hopefully, it's a pitch I can use consistently."

Alexi Amarista had a two-run double in the seventh inning to cut the Royals lead to 5-4. Nick Hundley had an RBI double in the inning as well.

Padres up next: The Padres travel to Glendale on Friday to face the Dodgers at 12:05 p.m. PT at Camelback Ranch. Two rotation hopefuls, right-handed pitchers Casey Kelly and Freddy Garcia, are expected to pitch and work in upwards of three innings apiece. Kelly allowed three earned runs on seven hits in 1 2/3 innings in his first appearance of the spring. Garcia, in camp on a Minor League contract, allowed four earned runs in one inning his first Cactus League appearance.

Corey Brock is a reporter for MLB.com. Keep track of @FollowThePadres on Twitter. This story was not subject to the approval of Major League Baseball or its clubs.