Chicago Blackhawks are the most efficient franchise in American sports

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Our ranking of all 122 franchises in the NFL, NBA, NHL, and MLB rates teams based on how much they spent in player payroll for every win during the last five seasons. Each team is compared against the average price per win in its league to produce a score we call the efficiency index. The less a team spends compared with its peers, the lower its score. Playoff victories and championships get extra weight. Payroll data come from the best available published sources.*

Playoff wins count for 10 percent of a season (e.g., 16.2 wins in baseball); Wild Card wins get half credit.

Championships count for 50 percent of a season (81 wins in baseball).

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http://www.businessweek.com/articles/2014-04-24/smartest-spenders-in-sports-2014

the CUBS are dead last ... ... but anybody can have a bad century.