Complex sentence: Oliphant only played in the NSWRL for two years in 1978-1979 for Balmain Tigers before and after that he played in the Brisbane Rugby League.
Split into simpler sentences: Oliphant only played in the New South Wales Rugy League for the two seasons of 1978-1979 with the Balmain Tigers. Prior to and after those years he played in the Brisbane Rugby League.