Updated

Alex Gonzalez clubbed a three-run homer to highlight a five-run first inning, and the Milwaukee Brewers went on to post a 7-4 victory over the Chicago Cubs at a frigid Wrigley Field.

Jonathan Lucroy hit a solo home run and added an RBI single for the Brewers, who have opened this four-game set with consecutive wins.

Milwaukee's Chris Narveson (1-0) gave up three runs -- two earned -- on six hits in five innings of work.

Alfonso Soriano went 2-for-4 and knocked in two runs for Chicago.

Paul Maholm (0-1) struggled in his Cubs debut, surrendering six runs on six hits over four frames. The left-hander joined Chicago after a seven-year stint with the Pittsburgh Pirates.