Complex sentence: Arthur Higgins was a semi-professional rugby league footballer who played in the 1910s, playing at club level for Featherstone Rovers, as a, i.e. number 1.
Split into simpler sentences: Arthur Higgins was a semi-professional rugby league footballer who played in the 1910s. He played at club level for Featherstone Rovers, as a, i.e. number 1.