Complex sentence: Percy Holroyd was an English professional rugby league footballer who played in the 1900s, playing at representative level for England, and at club level for Huddersfield, as a, i.e. number 6.
Split into simpler sentences: Percy Holroyd was an English professional rugby league footballer who played in the 1900s. He played at representative level for England, and at club level for Huddersfield, as a, i.e. number 6.