Complex sentence: Frederick "Fred" Willis was a Welsh professional rugby league footballer who played in the 1920s, playing at representative level for Wales, and at club level for Batley, as a, i.e. number 8 or 10, during the era of contested scrums.
Split into simpler sentences: Frederick "Fred" Willis was a Welsh professional rugby league footballer who played in the 1920s. He played at representative level for Wales, and at club level for Batley, as a, i.e. number 8 or 10, during the era of contested scrums.