Complex sentence: John Higgin is a professional rugby league footballer who played in the 1930s, and 1940s, playing at club level for Barrow, as a, i.e. number 3 or 4.
Split into simpler sentences: John Higgin is a professional rugby league footballer who played in the 1930s, and 1940s. He played at club level for Barrow, as a, i.e. number 3 or 4.