BASEBALL, MORE THAN any other sport, is grounded in history, built on legend, an enduring portal into the past. So it made a certain sense in 1999 when Major League Baseball’s ninth commissioner, Bud Selig, created an unusual position in pro sports, ensuring that this most classic of American games would have an official, in-house historian.
Selig first tapped the encyclopedic knowledge of Jerome Holtzman, who had just retired as a longtime baseball writer and columnist for the Chicago Sun-Times and Chicago Tribune. Holtzman, a Chicago native, held the post until his death in 2008. But it’s arguably MLB’s second (and current) official historian, John Thorn, who has truly defined the role, from developing new mathematical ways of understanding the sport to pushing our knowledge of baseball’s roots further and…
