Heh.

From the article:
"The World Series victory of the 2007 Oakland Athletics in six games over the Atlanta Braves is sure to go down in history as the unlikeliest championship of all time, making last year’s fluke 83-win St. Louis champs look like a sure thing of Calvinistic proportions. It isn’t simply that Beane has assembled a championship team with the lowest payroll of any team playing today; he pulled off the feat with the lowest payroll in recorded history—in the ballpark of negative $7 million—thanks to some creative dealmaking that had several players paying the team out of their own pockets for roster spots."