CUBS are 21-3 (.875) when they score first in the game.... 14-12 (.538) when they don't CUBS are 29-13 (.690) when they don't allow any first inning runs.... 6-2 (.750) when they do CUBS are 14-11 (.560) when the opponent hits at least 1 HR.... 21-4 (.840) when they don't Go CUBS !!