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2/25/2013 6:03 P.M. ET

Ramirez, Butler, Moustakas lead Royals over D-backs

SURPRISE, Ariz. -- Max Ramirez hit a grand slam and Adam Moore hit a solo shot in the fifth inning Monday as the undefeated Royals toppled the Diamondbacks, 16-4, at Surprise Stadium.

In addition, Billy Butler and Mike Moustakas had two hits each and combined to drive in five runs for the Royals (3-0-1).

"The offensive production today was pretty impressive," Royals manager Ned Yost said. "We scored 16 runs on 19 hits, and that's taking advantage of some opportunities and knocking some runs in."

Ramirez came up as a pinch-hitter with the bases loaded against Steve Garrison and pounded a 1-0 pitch over the center-field wall. Moore followed with his drive to left field, his second homer of the Cactus League. It was the Royals' second five-run inning.

D-backs starter Randall Delgado, acquired in the Justin Upton trade with Atlanta, was tagged for five runs (four earned) on six hits in the first inning. But he didn't get much help from his defense. Left fielder Willie Bloomquist struggled trying to catch Chris Getz's double that started the trouble, and right fielder Gerardo Parra and third baseman Matt Davidson made errors.

Singles by Eric Hosmer, Butler, Moustakas, Jeff Francoeur and Elliot Johnson followed Getz's double. None of that helped Delgado's bid for Arizona's fifth rotation spot.

"I felt physically ready, but obviously a little bit out of control, missing location. I was leaving the ball a little bit up," Delgado said.

The D-backs came back with three runs in the second. After a double play, Royals starter Chris Dwyer issued two walks around Rod Barajas' double and was relieved with the bases loaded. Nate Adcock gave up a two-run single to John McDonald and another run scored on Getz's error at second base.

Mark Teahen's single, a wild pitch by Royals reliever Noel Arguelles and Barajas' single pulled the D-backs within 5-4 in the fourth.

The Royals piled up four runs in the fourth against Chase Anderson as Butler delivered a two-run double and Moustakas an RBI single.

Up next for Royals: The "first four" of the rotation finally gets into action with Wade Davis starting against the Indians at 2:05 p.m. CT in Goodyear, Ariz. Top prospect Yordano Ventura and veteran hopeful Dan Wheeler are among the other pitchers. Left fielder Alex Gordon was scheduled to play, but a stiff back has put his availability in question. This is the first road game after four in Surprise. Matt Albers is the Tribe's probable starter.

Dick Kaegel is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.