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The Iowa baseball team rocked the Michigan pitching staff for nine runs in the first four innings to offset a rough outing from Blake Hickman and coast to a 13-7 victory in the opener of a Big Ten Conference series at the Wilpon Complex on Friday.

The Hawkeyes (32-11, 14-2 Big Ten) broke an early scoreless tie with three second-inning runs before adding two more in the third and four in the fourth to set the table for their sixth consecutive win.

Nick Roscetti slapped a pair of run singles and hit a sacrifice fly to account for his 2-for-4, four-RBI day. Outfielder Dan Potempa was 4-for-6 with three RBI including a two-run double in the eighth that extended the Iowa lead to 11-6, and Tyler Peyton was 3-for-5 with a pair of RBI and two runs scored to account for the majority of Iowa's 15-hit attack.

The offensive support was needed, as Hickman was pulled after giving up four runs, all earned, on five hits with two walks in 2 1/3 innings. Mason City native Ryan Erickson slowed down the Wolverines (27-18, 11-8) in relief, giving up five runs on two hits the next 52/3 innings, to earn the win.

The two teams continue their three-game series at 3:30 p.m. Saturday.