This won’t get a single new person to go to, or to watch a baseball game.
Professional athletics, like almost every other institution in what used to be America, has been fully absorbed into the hive-mind of the Left. Thus the need to constantly virtue-signal. Give it time, Jackie Robinson will eventually be declared a god by MLB, and the stats of the Rainbow Flag softball league of the Tenderloin District of San Francisco will be added to the official records.