I'm not going to pretend that I'm an expert in high finances of big business but here is an example of how the money numbers can work for some pro sports teams.
Team owner (many are not individuals anymore but it keeps the typing easy) also owns the arena his team plays in and a parking lot next to the building.
The arena charges the team a rental fee to use the building, not only on game nights but practices as well.
The arena charges rent to the team for coach and management office space.
The parking lot profits all go to owner and are not reflected in the team's revenue even though the fees are double on game nights.
The owner takes in profits and a salary that he pays himself. And don't forget the salary counts against team's P and L statement.
The owner says "My team barely broke even last season". Better yet, "we lost x amount of money" 'cause that's a wright-off.
That is over simplified but that is the way it goes, and not just in sports.