Last Friday’s news dump about Aaron Rodgers’ possible retirement from football sent some sportsbooks spinning: what to do with win total and futures markets? Sharapan explains how some shops “book defensively” and shares tales about bag men looking to bet big... when they must have known something… and did. Then with an eye toward a big roster of sportsbooks for Arizona’s opening day, the fellas wonder, how many accounts/apps does the average guy have, and how many are funded? And we’re itching for some football. But booking preseason point totals? Brutal.