birth_place nationality birth_date image article_title name occupation
san jose , california , u.s. american 31 december 1965 sig headshot.png sig mejdal
 sig mejdal sabermetrics
sig mejdal

sig mejdal -lrb- born december 31 , 1965 -rrb- is an american sabermetrics analyst for the houston astros and a former nasa engineer .
he previously helped the st. louis cardinals make draft picks .
mejdal turned his personal interest in baseball into a career after being inspired by moneyball in 2003 .
