Floyd Mayweather and Conor McGregor's fight was already gonna be a who's who of Hollywood -- the question now ... who's in good enough with a top agent to go for free?.
We're told most tickets cost $10k -- for a price tag of around $2 MILLION, and most are going to WME clients.
Here's the thing ... Ari's got a helluva lot of famous clients -- everyone from Charlize Theron to Oprah to Steven Spielberg and almost every big name in between.
We don't know which clients got the tix, but there are a lot of happy ones.
Remember, WME bought UFC last year, and Silver Lake helped back the $4 billion deal.
Guess it helps to have friends in high places when worlds collide.
He's already doled out the tickets he's been given, and he's not going into his pockets for celebs in search of a free fight. »