Why Michael Lewis Wrote Money Ball

There are many reasons Michael Lewis wrote the novel Money Ball.  However, one of these reasons drastically stands out from the others.  This reason is that he wants to dig deeper into how the game of baseball works than just comparing stats and numbers.  He wants to get to know baseball better.  Figure out why some ideas failed and some were a success and how they could be improved.  This is shown in various places in the story including the people he talks about.  Although many major league organizations are mentioned throughout the story, he mainly focusses on one team, the Oakland A's.

There was one thing that stood out in particular about the A's that sparked Michael Lewis' interest.  This was the fact that the A's were one of the poorest teams, yet were able to compete with teams with lots of money like the Yankees and the Red Sox even in play-off time.  In the book he proved that the A's were doing something right that was not discovered by any other team and that accounted for their success.  And that is what interested Michael Lewis enough for him to write a book about how the game of baseball truly works.  Do you think that money can decide outcomes of games and success of teams in not only baseball but other sports as well?