Complex sentence: He has worked in the sports media for more than 30 years and started his career in the media when he was a journalist at the "West Australian" newspaper in 1972 and he joined the ABC Sports Department in 1975.
Split into simpler sentences: He has worked in the sports media for more than 30 years. His career in the media started when he was a journalist at the "West Australian" newspaper in 1972 and he joined the ABC Sports Department in 1975.