Jose Quintana struck out a season-high 12 in seven sharp innings and the Cubs beat the Baltimore Orioles 8-0 Sunday for a three-game sweep.
The lefty ace allowed three hits, walked none.
Kris Bryant and Anthony Rizzo homered to help the Cubs move over .500 for the first time since June 29. The Cubs hit 10 home runs during the sweep at Camden Yards.
Chicago took advantage of another wild start by Ubaldo Jimenez (4-5) and opened a 4-0 lead in the second. Willson Contreras added a career-high four hits.
Ian Happ had a two-run double and scored on Jason Heyward's single in the second. Heyward stole second and scored the fourth run on a two-out single by Ben Zobrist.
A two-run homer by Bryant, his 19th, boosted the margin to 6-0 in the fourth.
Jimenez allowed six runs and 11 hits, one shy of tying a career-high, over 3 2/3 innings. He has not pitched past the fifth inning in four of his past five starts.
Rizzo hit his 22nd home run in the ninth off Darren O'Day.
Jon Lester (5-6, 4.25 ERA) is slated to start Monday against Atlanta RHP Julio Teheran (7-6, 4.79). Lester is looking to bounce back from his last outing when he allowed 10 runs (four earned) in 2/3 of an inning - the shortest start of his 12-year career.