A HISTORIC FIGHT TMZSports.com
Stephen Espinoza ran Showtime Sports and oversaw the two biggest PPV boxing matches ever -- Floyd Mayweather vs. Manny Pacquiao and Floyd vs. Conor McGregor -- so, we asked the former C-suite exec how much money Jake Paul and Mike Tyson would earn Friday night.
"I think it's realistic to expect that both of them will each make $30 to $40 million each," Espinoza told TMZ Sports on Thursday ... adding they could make substantially more.
And, we're not just talking about huge checks for Jake and Mike .