Floyd Mayweather isn't going to let a potential celebrity boxing match between Soulja Boy and Chris Brown go off without getting a cut of the money. 

The retired champ/Soulja's trainer was recently video taped alongside Soulja Boy talking about how they're "gonna get that money," which Floyd followed up with an instagram post of his own promoting a 3-round boxing match between the two "coming soon."

50 Centurged Floyd to promote the fight last night and made it clear that he's got $100,000 on Chris Brown, who is already planning on buying a yacht with his share of the winnings.

Stay tuned.