A seemingly intrinsic part of the game of baseball is the keeping of statistics on the achievements of the players. Started by Henry Chadwick in the 19th century who devised the concept of batting average based on his experience of cricket. Commonly used statistics are explained here:
... and loose, leaving the arms bare and dropping the wasteline to the hips. Rayon stockings were worn over garter belts[?]. Skirts rose to just below the knee by 1927, ...