Complex sentence: Ian Slater is a professional rugby league footballer who played in the 1980s, playing at club level for Huddersfield, Featherstone Rovers (Heritage № 601), and Bradford Northern, as a, i.e. number 6.
Split into simpler sentences: Ian Slater is a former professional rugby league footballer who played in the 1980s. He played at club level for Huddersfield, Featherstone Rovers (Heritage № 601), and Bradford Northern, as a, i.e. number 6.