Earl Weaver put his best defensive players on the field early in the game rather than make late-inning defensive replacements, and he didn't like to bunt, figuring if you played for only one run that's all you'd get. Whitey Herzog, by contrast, became one of the greats by using players who could bunt and by playing for one run over and over again. Full coverage of them and 600 other major league managers over a 125 year period can be found in this work.

The entries are based on interviews, standard data and anecdotes from owners, coaches, and players. Information includes birth and death dates, teams and dates managed, win-loss records, winning percentages, and standings. Lists are included of managers of 1,000 games or more, those with one-game careers, those with the best winning percentages, and those with the most wins. A complete list of managers in the history of each team is provided.