Baseball

...is easily under 40% of per team revenue.
Ownership isn't even trying. There is no way to justify taking in $140 million more in revenue than they're putting into the product on the field. By contrast, the Dodgers are spending about $58 of every hundred bucks on player salaries. My Cubs are over 50% (last year) & a but higher this year (with '24 revenues, obviously, estimated).
40% is not trying. And as a kid, my favorite AL team was the A's (KC, later Oakland.)