Complex sentence: David Lowden is an English professional rugby league footballer who played in the 1980s, and 1990s, playing at representative level for Cumbria, and at club level for Workington Town, as a, or, i.e. number 1, or, 2 or 5.
Split into simpler sentences: David Lowden is an English former professional rugby league footballer who played in the 1980s, and 1990s. He played at representative level for Cumbria, and at club level for Workington Town, as a, or, i.e. number 1, or, 2 or 5.