the guy's name was jose altuve.he astros' data analysts saw that he could get his bat on everything, even pitches out of the strike zone. but they wondered: what if he became more tselective, swinging only at pitches over the heart of the plate? pitches the data revealed he could not only just hit, but hit very, very hard? >> fly ball, that's smacked. >> reiter: and it wasn't too long before this five-foot-five slap hitter transformed himself into one of the best hitters in the game, and the face of the astros. >> there was a lot of time and effort devoted to hacking the percentages of the game from people who did not grow up within the ethos of baseball, but in the ethos of the business world. >> reiter: why do you think you upset the so-called traditionalists so much, starting around this time? >> change is by definition hard for people to accept because they get used to things a certain way. and especially when change is stimulated by an outsider who may not have the respect for the traditions and the history and