You are using Internet Explorer 7.0 to view this site. IE7 is a 6-year-old browser that does not display modern web sites properly. Please upgrade to a newer browser to make best use of this site. Contact your local library branch if you require assistance. For more information, see this FAQ page.
An ex-Wall Street trader improved on "Moneyball's" famed sabermetrics to place bets that would beat the Vegas odds on Major League Baseball games--with a 41 percent return in his first year. "Trading Bases" explains how he did it.