The slave status will never disappear, imho. Unless and until all persons are independently wealthy and independently acting agents, there are always masters and slaves. These days we use terms such as employers and employees, volunteers and volunteer coordinators, and other phrases to express unequal relationships between persons. We also have laws that provide terminology that should guide us-- and none of these includes masters and slaves. But for now, there are unequal relationships. This is not necessarily better than the historically described relationships involving masters, mistresses, and slaves. Should we accept this and do something meaningful about the wrongs in the world?
For example, one player has pledged an entire season's earnings for educational purposes. If this money reaches the levels and places of need, some people will become more knowledgeable and more skilled. They may be able to ply these opportunities toward their own earnings. If they wish, they may choose to use their earnings for the benefit of others. I like this opportunity and intention. I hope that it works as intended.
I am doing small things for causes that I believe have a chance of helping people. I don't have a season's worth of professional sports earnings to distribute, but I hope that my little efforts will do some good where it is needed.
Meanwhile, may the team with the most runs win.
Nature does not hurry, yet everything is accomplished. - Lao-Tzu