MILWAUKEE — Michael Busch hit his first career grand slam and Pete Crow-Armstrong added two solo shots as the Chicago Cubs beat the Milwaukee Brewers 10-0 on Friday.This marked the first matchup of the season between the NL Central-leading Cubs and the Brewers, who won this division each of the last two seasons.Chicago took the lead for good by scoring two runs in the first inning off Tyler Alexander (1-3), who served as the Brewers’ opener before giving way to Quinn Priester. The Cubs scored seven runs against Priester in the second to break the game open.Busch sent an 0-2 curve over the wall in left-center field for his sixth homer of the season, giving Chicago an 8-0 advantage. Two batters later, Crow-Armstrong delivered a 418-foot blast to center on a 1-2 changeup.Crow-Amstrong went deep again in the seventh inning, hitting a 399-foot shot to right on a 2-1 slider from Joel Payamps for his eighth homer of the season.Cubs starter Ben Brown (3-2) struck out four in six innings while allowing four hits and no walks. Chris Flexen worked the final three innings for his third career save, and first since 2022.The Brewers were shut out again two nights after closing a 10-game trip with an 8-0 loss to the Chicago White Sox. The last time the Brewers were shut out in back-to-back games was in May 2023.After all …