Complex sentence: Dylan "Dyl" Harris is a Welsh professional rugby league footballer who played in the 1940s, and 1950s, playing at representative level for Wales, and at club level for Castleford, as a, i.e. number 8 or 10 during the era of contested scrums.
Split into simpler sentences: Dylan "Dyl" Harris is a Welsh former professional rugby league footballer who played in the 1940s, and 1950s. He played at representative level for Wales, and at club level for Castleford, as a, i.e. number 8 or 10 during the era of contested scrums.