Complex sentence: Joseph "Joe" Brittain was an English professional rugby league footballer who played in the 1910s, and 1920s playing at representative level for England, and at club level for Leeds, as a, or, i.e. number 6, or 7.
Split into simpler sentences: Joseph "Joe" Brittain was an English professional rugby league footballer who played in the 1910s, and 1920s. He played at representative level for England, and at club level for Leeds, as a, or, i.e. number 6, or 7.