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SAN DIEGO (AP) - Wilin Rosario had a career-high four hits and drove in three runs, and Jhoulys Chacin beat San Diego for the second time this season to lead the Colorado Rockies over the Padres 9-5 Saturday night.

Rosario broke a 1-1 tie in the second with his fourth home run of the season, a two-run drive off Edinson Volquez (0-3). Rosario made it 5-1 with an RBI single in the third, singled off Thad Weber leading off the fifth and singled off Joe Thatcher in the ninth.

Chacin (2-0) allowed two runs and four hits in five innings, his ERA rising from 1.35 to 1.96. He threw 83 pitches, extending the Rockies' streak of consecutive games without a 100-pitch start to 113. Colorado is 5-0 against the Padres this season.

Volquez gave up seven runs - six earned - six hits and three walks in 3 1-3 innings, leaving him with an 11.68 ERA. San Diego's fourth straight loss dropped the Padres to 2-9.