Rookie Cade Horton threw 6 1/3 strong innings, Pete Crow-Armstrong drove in two runs and the Chicago Cubs pulled away from the Atlanta Braves late for a 6-1 win Tuesday night. Ian Happ was 2 for 5 with a double and a run scored. Matt Shaw had a two-run single during a four-run eighth inning. Key momentShaw's bases-loaded single with two outs in the eighth inning off Connor Seabold broke the game open for the Cubs. In his last two starts, both against the Braves, he surrendered one run and four hits in 11 1/3 innings.