Complex sentence: Roger Simpson is an English professional rugby league footballer who played in the 1980s, 1990s, and 2000s, playing at representative level for England, and at club level for Bradford Northern and Batley Bulldogs, as a, i.e. number 1.
Split into simpler sentences: Roger Simpson is an English former professional rugby league footballer who played in the 1980s, 1990s, and 2000s. He played at representative level for England, and at club level for Bradford Northern and Batley Bulldogs, as a, i.e. number 1.