Picking Chicago's Four Best Sports Broadcasters-- Part 1

From the July 6, 2018, Chicago Sun-Times  "A combo worth carving in stone" by Jeff Agrest.

He's thinking of giving them Mt. Rushmore treatment and admits this is a pretty hard task.

His criteria, the broadcaster had to:

(a) be good at his job
(b)  have a profound and lasting effect on the team's fan base

Any Ideas?  --CootHeyHey