He is the son of sports casting royalty, Baseball Hall of Famer Marty Brennaman. Thom Brennaman created his own way in broadcasting and was a top voice calling NFL, MLB and major college football games as well as serving as the voice for the Chicago Cubs, Arizona Diamondbacks and Cincinnati Reds. Brennaman worked with Jerry Springer, Harry Caray, Marty Brennaman, called countless major events, and had a hot mic screwup that has not stopped him, but did change his career. He talks to Mac about all of it.