Arizona's baseball roots run long and deep, but the star of the show is the Cactus League. The state's spring training history is filled with social, political, and cultural intrigue, not to mention a roster of baseball greats. Early on, fans watched Joe DiMaggio, Ted Williams, Willie Mays, and the American League's first black player, Larry Doby. Beyond the field, baseball became part of the state's social fabric, as players and fans alike flocked...