Olver began his Sports career as an outfielder in the minor leagues, then with Saskatoon/Medicine Hat in the semi-pro Western Baseball League. He began his broadcasting career in the Moose Jaw/Regina area. In 1969, he moved to CFCF-TV in Montreal and then to CFTO-TV in Toronto. He spent the remainder of his broadcasting career with the Blue Jays (1981–1996), covering games on CTV, TSN, and BBS. In 2004, he was nominated for the Ford C. Frick Award.
He appeared in the 1971 film Face-Off as a member of the press.