Magic Johnson has now spent more years as an owner than he spent as a player. He holds interests in the Los Angeles Dodgers, the Washington Commanders, Los Angeles FC, the Los Angeles Sparks and the Washington Spirit, and that portfolio is why his name appears in every conversation about what athletes do after the career ends. We have become very good at measuring how much Black athletes earn. We have spent far less time asking what they own, and almost no time asking what they control. The...