The Only Rule Is It Has to Work

What would happen if two statistics-minded outsiders were allowed to run a professional baseball team?

It's the ultimate in fantasy baseball: You get to pick the roster, set the lineup, and decide on strategies — with real players, in a real ballpark, in a real playoff race. That's what baseball analysts Ben Lindbergh and Sam Miller got to do when an independent minor-league team in California, the Sonoma Stompers, offered them the chance to run its baseball operations according to the most advanced statistics. Their story in The Only Rule is it Has to Work is unlike any other baseball tale you've ever read.

We tag along as Lindbergh and Miller apply their number-crunching insights to all aspects of assembling and running a team, following one cardinal rule for judging each innovation they try: it has to work. We meet colorful figures like general manager Theo Fightmaster and boundary-breakers like the first openly gay player in...