Complex sentence: William "Billy" B. Little was an English professional rugby league footballer who played in the 1900s, and 1910s, playing at representative level played for England, Cumberland, and Yorkshire, and at club level for Halifax, as a, i.e. number 1.
Split into simpler sentences: William "Billy" B. Little was an English professional rugby league footballer who played in the 1900s, and 1910s. He played at representative level played for England, Cumberland, and Yorkshire, and at club level for Halifax, as a, i.e. number 1.