Imma need to see a source for that claim.
Sure if she’s doing a team endorsement deal as a part of her contact that goes to the WNBA, but if Vuori or State farm or whoever just sign Caitlin Clark to a deal to appear as Caitlin Clark the WNBA doesn’t just take a cut of that.
When I was in college I just bought new printers on sale when I ran out of ink because it was cheaper than buying refills.