This sounds similar to Pando [1], which is doing income pooling for professional baseball players [2]:

"Nobody has to pay a cent until they've made it to the majors and they've made $1.6 million. Then that guy has to kick 10% of his salary back to his pool mates."

[1] https://www.pandopooling.com/baseball [2] https://www.npr.org/2019/10/25/773532516/some-baseball-playe...