The rappers are already lining up to work with Antonio Brown after the NFL superstar released his first-ever music video ... with O.T. Genasis saying he wants to get in the studio with AB!!!
As we previously reported, the All-Pro receiver just dropped his rap single "Whole Lotta Money" ... which is about ... well, you know.
TMZ Sports spoke with the "Big Shot" rapper at LAX to get a critique on the track ... and while he doesn't hate it, O.T. says there's some major room for improvement.