Darwin Barney hit a two-run homer in the bottom of the ninth to give the Chicago Cubs an 8-6 win over the San Diego Padres on Wednesday.
Barney launched an offering from Dale Thayer (0-1) into the left-center field bleachers to give the Cubs a three-game sweep.
James Russell (2-0) pitched a scoreless ninth to earn the win.
Carlos Quentin hit two homers and drove in four runs for the Padres. He had six extra-base hits and six RBI in the three-game series.
Chris Denorfia also hit a two-run homer for San Diego.
The Cubs tied the game in the eighth when pinch-runner Tony Campana stole second and third with two outs and scored on Starlin Castro's infield single.