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Boston, MA (Sports Network) - David Ortiz registered two RBI and Ryan Dempster spun 6 1/3 solid innings, as the Boston Red Sox edged the Chicago White Sox, 4-3, on Friday in the opener of a three-game set at Fenway Park.

Ortiz snapped an 0-for-23 slump with a two-run single in the fourth, while Shane Victorino collected two hits, an RBI, and two runs scored for the Red Sox, who have won five of their last six games to maintain their lead atop the AL East.

Dempster (7-9), fresh off his five-game suspension for plunking Yankees third baseman Alex Rodriguez, allowed three runs on five hits and three walks while striking out five over 6 1/3 frames to earn the victory.

Koji Uehara recorded the final out of the eighth before retiring the White Sox in order in the ninth to secure his 15th save of the season.

Avisail Garcia scorched a solo homer and finished with two runs scored, while Dayan Viciedo added two hits, an RBI and a run scored for Chicago, which had won four of its last five games coming into the contest.

Hector Santiago (4-8) failed to make it out of the fourth and was tagged for all four runs on five hits and as many walks over 3 2/3 innings to absorb the loss.