"I don't know the dollars, and I'm not going to get into the pockets of the UFC, but if you start looking at the amount of money they make, which I don't know the exact amount, but look at the amount of money they make, if someone audited their books – you can't tell me in an individual sport you can't have a union and have a guy that has four or five professional fights and let them be part of the union," Walker said. "Once you become part of the union, you can get insurance. You can get certain benefits that aren't there right now. I don't know why that can't happen." Herschel Walker speaking to MMA Junkie.