The Cubs have been shut out the last two games and have gone under in seven of their last eight. They send out lefty Justin Steeler, who has shown flashes of brilliance. He gave up just one run against St. Louis on June 5 in 7 innings in a 5-3 Cards’ win. He faces Miles Mikolas, who has allowed five runs in two starts against the Cubs this season. He has a 2.86 ERA overall and a 2.31 ERA at home.