Ever since he was brought in by legendary Rebels Coach Bob Shelton nearly two decades ago, Joe Muñoz increasingly enjoyed his position as the “voice” of the football team.

He wasn’t in it for the money. Being the stadium’s announcer, he says, was more about making sure each kid got his name pronounced correctly and knowing the ins and outs of high school football. He would arrive early and stay late, double checking his facts and being “proactive” for the sake...