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3/13/2013 9:34 P.M. ET

Eovaldi limits Braves, while Marlins' bats quiet

Righty gives up solo shot in five frames; Miami scores lone run on bases-loaded walk

JUPITER, Fla. -- Kris Medlen and Nathan Eovaldi each turned in strong outings before the Braves pulled out a 2-1 victory against the Marlins under the lights on Wednesday at Roger Dean Stadium.

Chris Johnson, competing for Atlanta's starting third-base job, delivered a two-out, go-ahead RBI single in the ninth inning.

Freddie Freeman hit his third homer of the spring for the Braves, while the only two hits Medlen allowed in his 4 2/3 innings of work were infield singles. But Atlanta reliever Jonny Venters walked four straight Marlins batters to plate the tying run in the sixth before working his way out of it with a 5-2-3 double play.

Freeman's leadoff homer in the second -- a deep shot to right field off a 1-1 pitch -- was Eovaldi's only blemish in his five innings. The Miami right-hander scattered three hits and the one run, while striking out four. He threw 70 pitches, while Medlen needed just 49 to get through his outing.

Medlen's two hits allowed were both line drives that deflected off him on the mound. The first, off the bat of Rob Brantly in the fourth, glanced off the right-hander's left foot.

The second, off the bat of Casey Kotchman in the fifth, ricocheted off Medlen's right triceps for a base hit. Medlen came out of the game after that hit, but likely would have had just one more batter, anyway. He appeared fine in the dugout and while walking back to the clubhouse afterward.

With a double and a single, Braves center fielder B.J. Upton boosted his spring batting average to .429. Kotchman, likely to start the season at first base for the Marlins as Logan Morrison recovers from right knee surgery, is now hitting .440.

Up next: After three consecutive home games, the Marlins will have the day off on Thursday before heading to Tampa on Friday to take on the Yankees. Justin Ruggiano will stay in Jupiter to take at-bats in a Minor League game, while right-hander John Maine will take on Yankees lefty CC Sabathia in Tampa. The first pitch is scheduled for 1:05 p.m. ET.

Joey Nowak is a reporter for MLB.com. Follow him on Twitter at @joeynowak.‬ This story was not subject to the approval of Major League Baseball or its clubs.