Never thought about this until now. If a manager arranges several weeks of sparring for their fighter to help out another fighter, do they get a cut of what their fighter is paid for that sparring? Same with a trainer, would the fighter’s trainer go with them to the camp of the other fighter and thus take a cut of what their guy earns from sparring?
Depends on the arrangement the fighter has with the various entities in his circle. Sparring can be free a lot of the time, mouth to mouth get in the back room naked type of thing. If you go to Floyd's gym they'll film it and put it on an erotic website or TMZ might buy the rights to the footage beforehand