 At the time, Hearn handled the sports desk of the local news program on Los Angeles' NBC affiliate, KRCA (now KNBC).Hearn announced USC football and basketball games from 1956–61, and also served as the play-by-play broadcaster for USC football games on tape-delayed, syndicated telecasts during the 1973 season.Hearn called UNLV Runnin' Rebels basketball games on KHJ/KCAL with Ross Porter from 1986 to 1990.