FOR DECADES, the story of a major league game has been told by the familiar numbers in a box score: runs, hits, errors, home runs, strikeouts.
But now, there is another chart your favorite team looks at after games, one that few outside the sport's inner circle have seen: color-coded grid-like documents that measure the workload of every player who took the field that day.
Baseball might not be the first sport that comes to mind when you hear the term "load management," but MLB teams are becoming obsessed with it. In baseball, the discussion is about keeping position players on the field and performing their best.