Casual fans may concentrate on the duel between batter and pitcher, but for those who know the game of baseball, nothing is more fascinating, or more important, than the art of defense. In "Playing the Field" Jim Kaplan takes us onto the playing field and into major league dugouts and locker rooms for a definitive look at the great defensive players of the game, past and present. Position by position, and form an overall point of view as well, Kaplan...