Complex sentence: Geoffrey "Geoff" Morris is a professional rugby league footballer who played in the 1970s, and 1980s, playing at club level for Castleford, Rochdale Hornets, and Doncaster.
Split into simpler sentences: Geoffrey "Geoff" Morris is a former professional rugby league footballer who played in the 1970s, and 1980s. He played at club level for Castleford, Rochdale Hornets, and Doncaster.