Complex sentence: Collins started writing for the Boston Herald as a sportswriter while he was a student at Boston University, and in 1963, he moved to the "Boston Globe" and also began doing tennis commentary for Boston's PBS outlet, WGBH.
Split into simpler sentences: Collins started writing for the "Boston Herald" as a sportswriter while he was a student at Boston University. In 1963, he moved to the "Boston Globe" and also began doing tennis commentary for Boston's Public Broadcasting Service outlet, WGBH.