*Stumbling on Wins*

The subtitle is Two Economists Expose the Pitfalls on the Road to Victory in Professional Sports and the authors are David Berri and Martin Schmidt.  I liked this bit (p.21) about the factors which do not explain free agents' salaries in the NBA:

Free Throw Shooting Efficiency

Steals

Turnovers

Size of Market Where Player Signs

Playing the Center, Power Forward, or Point Guard position

Race of Player

Here is previous coverage on their earlier book, The Wages of Wins.