With the associated cable networks involved, as well as Fox's other sports programming, it will mean fewer hours over-the-air on Fox in 2025 than on CW in 2024 or 2023. However, if Fox puts Friday coverage on over-the-air (CW never covered Fridays) then there may be more hours.
The rights fee Fox is paying will help cover some of the considerable production costs. And LIV still controls all the production. Fox just plugs in to the worldwide feed.