If you have picked up this book you surely love sports and you probably like math. You may have read Michael Lewis’s great book Moneyball, which describes how the Oakland A’s used mathematical analysis to help them compete successfully with the New York Yankees even though the average annual payroll for the A’s is less than 40 percent of that of the Yankees. After reading Moneyball, you might have been curious about how the math models described in the book actually work. You may have heard how a former night watchman, Bill James, revolutionized the way baseball professionals evaluate players
