The Cubs completed a four-game sweep of Milwaukee this afternoon as Kris Bryant went 5-for-5 with two homers, five RBIs and four runs scored in Chicago’s 9-6 triumph over the Brewers. Jake Arrieta struggled over 5 2/3 innings before improving to 15-5, giving up five runs on three hits and a career-high seven walks. The Cubs’ 15th victory in 17 games leaves them atop the NL Central by 13 games over the Cardinals.