Broadcaster drops horrific homophobic slur on the air.

Thom Brennaman: an awfully homophobic slur from a broadcaster whose catchphrase is “Boy oh boy.” (Photo by Joe Robbins/Getty Images)

Some baseball broadcasters become indelibly associated with a legendary quote. An “It might be, it could be, it is” here, a “The impossible has happened” there…

Cincinnati Reds play-by-play man Thom Brennaman, however, will be known for a much more…