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:
... Web site (www.freedom-to-tinker.com) for some observations on the DCMA, its proposed successors, and their consequences, intended and unintended hilarious ...