Jarett Miller held the Schaumburg Boomers (29-40) scoreless for 5 2/3 innings to boost the Southern Illinois Miners (45-24) to a 4-2 victory.
Miller allowed five hits, four walks and struck out five.
Michael Earley put himself in scoring position with two extra-base hits for the Southern Illinois Miners. He homered in the first inning.
Eddie Cody (7-3) took the loss for the Schaumburg Boomers. He lasted just six innings, walked one, struck out seven, and allowed three runs.