Most pro fighters.... how are they paying bills?

Underground
1

... since Corona has screwed up most businesses and MMA events, how are fighters paying their bills?

2

The ones in the US are scheduling fights kind of like usual. If they usually fight 2, 3 times a year, they can still get that.

3

There’s actually this ultra secretive underground cage fighting organization that they’ve all entered.

You didn’t hear it from me… but the next one is coming up at Café Ariman in Lund, Sweden. Wait until midnight. Don’t bring a friend. Ask the bartender for a drink and then put three coasters on it. 22/7/20. You’re welcome.

4
MarcusAurelioFan - There's actually this ultra secretive underground cage fighting organization that they've all entered.

You didn’t hear it from me… but the next one is coming up at Café Ariman in Lund, Sweden. Wait until midnight. Don’t bring a friend. Ask the bartender for a drink and then put three coasters on it. 22/7/20. You’re welcome.

You forgot first rule of fight club man. 

5

Brief answer: They're not.