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Bill James

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Bill James is a famous baseball writer. He uses math to study the game. He calls this way of studying baseball sabermetrics. This name comes from a group called SABR. He wants to know why teams win or lose. He does this by looking at many numbers.

Bill started by writing his own books. He wrote many of them while working night shifts. He was a security guard at a bean factory. His first book was called the Baseball Abstract. At first, only 75 people bought it. Soon, many more people wanted to read his work.

Bill made new ways to measure players. He made a tool called Runs Created. This helps show how much a player helps score runs. He also made a way to see how good a player's defense is. He even helped the Boston Red Sox team. He worked for them for 17 years. During that time, they won four World Series titles. In 2006, Time magazine named him one of the most important people in the world.

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