Complex sentence: John "Jack" Flynn was an English professional rugby league footballer who played in the 1900s, playing at representative level for England, and at club level for Broughton Rangers, as a, i.e. number 7.
Split into simpler sentences: John "Jack" Flynn was an English professional rugby league footballer who played in the 1900s. He played at representative level for England, and at club level for Broughton Rangers, as a, i.e. number 7.