MILWAUKEE — Hard-throwing rookie Jacob Misiorowski, a All-Star this summer after making just five major league starts, lost his way in the second half of the regular season.

He regained his form in a big way on Monday in his postseason debut, leading the Milwaukee Brewers to a 7-3 victory over the Chicago Cubs for a 2-0 lead in the National League Division Series.

Jackson Chourio and Andrew Vaughn each belted a three-run homer to rally the Brewers, who trailed 3-0 after a half-inning. Milwaukee’s William Contreras hit a go-ahead solo shot.

Misiorowski (1-0) got the win with three innings of scoreless relief. He allowed one hit and walked two, striking out four of the 12 batters he faced.

The 23-year-old right-hander was the second of six Brewers relievers who combined to throw 7 1/3 sc

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