Complex sentence: Jack Higgins is a professional rugby league footballer who played in the 1940s, playing at club level for Featherstone Rovers (Heritage № 195), as a, i.e. number 7.
Split into simpler sentences: Jack Higgins is a former professional rugby league footballer who played in the 1940s. He played at club level for Featherstone Rovers (Heritage № 195), as a, i.e. number 7.