The Iowa Cubs used the longball to pound the Round Rock Express, 9-3, Thursday night at Principal Park.
Eric Patterson's three-run home run in the fourth inning gave the Cubs a 4-0 lead and Scott Moore's two run homer in the sixth extended the lead to 6-3. The homer was Moore's sixth in the last six games.
Iowa starter J.R. Mathes did not allow an earned run in six innings of work and picked up the win to improve to 7-6 on the year.
Ronny Cedeno recorded three hits on the night, while Felix Pie, Matt Murton, Geovany Soto and Moore each had a pair of hits.
Chicago Cubs pitcher Ryan Dempster pitched a scoreless ninth inning for Iowa in what is expected to be his last outing for Iowa before returning to Chicago.
Round Rock starter Chan Ho Park allowed the home runs to Patterson and Moore and was tagged with the loss as he allowed six earned runs in 5.2 innings.
This story was not subject to the approval of the National Association of Professional Baseball Leagues or its clubs.