Chapter 3: All I Care About Is W's and L's Summary and Analysis

Silver created PECOTA which was a projection system that he developed for the Baseball Prospectus organization. Silver's system had predicted stardom for Boston Red Sox player Dustin Pedroia, a rookie that no one other analysts or experts considered a future star. In his second season he was the American League's MVP and made the All-Star team. Silver learned that what made Pedroia standout was his attitude - he didn't care what other people thought of him. All he cared about was W's and L's.

After graduating from College, Silver worked for KPMG in Chicago. He was bored and had a lot of time on his hands which he used to develop the PECOTA system. Baseball Prospectus predictions on how each baseball player would perform considered...