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