Informal full-length portrait of baseball player Merkle of the National League's New York Giants, holding a baseball bat, standing on the field at West Side Grounds, in the Near West Side community area of Chicago, Illinois, 1911. Text on a grandstand wall in the background reads: No Betting Allowed. From the Chicago Daily News collection. (Photo by Chicago History Museum/Getty Images)

Informal full-length portrait of baseball player Merkle of the National League's New York Giants, holding a baseball bat, standing on the field at West Side Grounds, in the Near West Side community area of Chicago, Illinois, 1911. Text on a grandstand wall in the background reads: No Betting Allowed. From the Chicago Daily News collection. (Photo by Chicago History Museum/Getty Images)