Does your definition of "evening and night" include 5 PM? What happened to "afternoon drive time"?
Of all the games, only a couple are on weekdays. It's hardly significant compared with the added revenue and the opportunity to generate some new cume.
When I was programming KTNQ during the years it generally tied with KFI in 25-54, we would do soccer on weekday afternoons when there was an important match. It definitely helped ratings, and had a halo effect on the rest of afternoons and even evenings.