Theo Epstein earned a reputation as one of MLB's elite front-office executives during his time as Boston Red Sox GM. In the Chicago Cubs, he has found a new challenge and a team willing to pay him as though he were the very best such top man available.
Without a doubt, Epstein's track record is impressive. At the same time, he has had huge advantages in available resources throughout his front-office career.
Other GMs, working with far less, have done nearly as much. Are they better, or are they simply more efficient?
For that matter, it seems as though certain skill sets would serve some offices better than others. Small-market GMs must be shrewd and creative; big-market guys must be bold and decisive, and above all, right.
A GM defines the direction of an organization. It is perhaps the most important role in every team in MLB, yet the men who sit there are rarely examined and ranked objectively. Let's turn that around. Here are power rankings of all 30 MLB general managers, including the Cubs' shiny new one.