Josh Potter fired a two-hitter as top-seeded Philipsburg thumped Blanchard 13-0 in the opening game of their semifinal series.
The Spike Island Pirates, who received a bye in the first round, lashed 15 hits and scored five runs in each of their final two at-bats to blow the game open.
Potter was dominant throughout the seven-inning stint. He struck out seven and walked three.
Jon Shaffer’s two-run homer in the third inning gave Philipsburg a 3-0 lead and the Pirates scored five runs in the fifth and sixth.
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Matt Curtis and Lance Thompson each drove in three runs apiece. Drew Bryan smacked three hits to lead the attack. Curtis, AJ Robinson, Brandon Myers and Thompson had two hits each.
Josh Bechdel and Ethan McGill each had a hit for Blanchard.
The Bees will host Game 2 at 5:45 p.m. on Tuesday.