Complex sentence: Jack E. Robinson was a professional rugby league footballer who played in the 1910s, playing at representative level for Great Britain, and at club level for Rochdale Hornets, as a, i.e. number 2 or 5.
Split into simpler sentences: Jack E. Robinson was a professional rugby league footballer who played in the 1910s. He played at representative level for Great Britain, and at club level for Rochdale Hornets, as a, i.e. number 2 or 5.