MLB's 'Moneyball' Power Rankings: Who Is Overpaying/Underpaying the Most?

As the 2013 season gets set to start in Major League Baseball, more so than ever, value is meaningful. Luxury taxes threaten to take money away from big-market teams. Smaller market teams are faced with budgetary constraints, forcing them to make much more prudent decisions with regard to payroll. As has been evidenced in the past, spending doesn't always equate to winning. The Oakland A's had the second-lowest payroll in baseball last season, yet they captured the AL West Division title. In fac...