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3/23/2013 4:07 P.M. ET

Chen, Johnson both struggle against Phillies

SARASOTA, Fla. -- Powered by Chase Utley's two home runs and three others throughout the lineup, the Phillies downed the Orioles, 13-4, in Grapefruit League action Saturday afternoon.

Utley went deep twice off Orioles starter Wei-Yin Chen, who exited after 3 1/3 innings, and drove in four runs to give him 10 RBIs this spring. Domonic Brown also had four RBIs, belting a three-run homer -- his seventh this spring -- off closer Jim Johnson as part of a five-run fourth inning, while Ryan Howard scored twice and hit a solo home run.

Phillies starter Aaron Cook cruised through 4 2/3 innings, allowing two runs via a J.J. Hardy double. The O's had four hits off Cook, who gave way to right-hander Phillippe Aumont after retiring the first two batters in the fifth.

"I felt really good," Cook said. "I felt like I kept the ball down, especially with the wind blowing the way it was. I was able to use all my pitches today. My cutter was there. My slider was there. I was just able to go out there and pitch. That's what I was able to do today."

Chen, making just his third spring start, allowed seven runs (six earned) on eight hits and two walks. Projected to be part of the Orioles' rotation, the 27-year-old lefty struck out two as he struggled all afternoon. Johnson, who has been making appearances in the Minor League games along with Chen, didn't fare much better and gave up three runs in an inning of work.

"I felt OK," Chen said through interpreter Tim Lin. "Delivery-wise, they got my timing really well, and most of my pitches were up in the zone."

Yuniesky Betancourt added to the Phillies' lead with his first homer of the spring, a three-run shot off Orioles reliever Darren O'Day in the seventh, but Ryan Flaherty countered with a run-scoring double in the eighth.

Up next: Brian Matusz, vying for the team's fifth rotation spot, will start in Bradenton, Fla., against the Pirates on Sunday afternoon with Chris Tillman pitching against the team's Minor League hitters. Right-hander Jeff Karstens will oppose Matusz for a 1:05 p.m. ET scheduled first pitch, which will be available on MLB.TV.

Brittany Ghiroli is a reporter for MLB.com. Read her blog, Britt's Bird Watch, and follow her on Twitter @britt_ghiroli. This story was not subject to the approval of Major League Baseball or its clubs.