When I was a child attending Cleveland Indian baseball games at the old Municipal Stadium a thin man in an Indians’ baseball cap ran up and down the aisles hawking scorecards and calling out, “Scorecard, scorecard, you can’t tell the players without a scorecard.” He was right. The scorecards would give you the player’s name, number, and position. Then you would open to a page where you could engage in the fine art of keeping score, tracking the runs, hits and errors, through esoteric notations...