The last time the Cubs made a TV splash this big was in the fall of 1981, when then team Chairman Andy McKenna got a call from popular White Sox broadcaster Harry Caray asking for a job interview to replace the retiring Jack Brickhouse. The Sox were going to a pay-TV model called SportsVision that would limit their availability in a town that wasn’t completely wired for cable, and Caray was worried no one on the South Side would be able to watch him.