Sean O’Malley will likely never make ‘McGregor money’

Sean O’Malley walked out to Lupe Fiasco’s ‘Superstar’ and by all accounts, he fits that bill to a T. His title bout with Aljamain Sterling set records just by virtue of his being there. How do we know? Because Dana White said so. Yet despite his star power and despite the record-setting, he likely won’t ever make the fabled ‘McGregor money’—once referre…