According the cash register, Tom Petty. After the game, Petty (who is also the voice of “Lucky” on King Of The Hill) topped the catalog chart for Billboard by steadily moving up, achieving a nearly 200% bump in sales. Both his “Greatest Hits” and his “Anthology” collection raked up huge sales on the digital side. More than a third of all Petty tracks were sold online. The song “Free Fallin’” which Petty performed at the halftime show on Super Bowl Sunday sold 63,000 copies via the web, 300% jump! Perhaps that’s why coach Belichick left the field early, he wanted to go download “Running Down A Dream.”