Complex sentence: He made five league appearances for the club in the 1984--85 season, and another four the following season for Third Division club Doncaster Rovers, whom he joined on loan as injury cover.
Split into simpler sentences: He made five league appearances for the club in the 1984--85 season. He then made another four the following season for Third Division club Doncaster Rovers, whom he joined on loan as injury cover.