It has been an article of faith for nearly a century, as if chiseled onto a tablet by Abner Doubleday himself: The leading hitter in major league history is, and always will be, Tyrus Raymond Cobb. But history evolves. We know that Doubleday did not, in fact, invent baseball. And as of Wednesday, Josh Gibson will replace Cobb as the leading hitter in the official records of the game. At .372, Gibson’s career batting average eclipses Cobb’s by six points.