Complex sentence: Dennis Madden is a Welsh professional rugby league footballer who played in the 1930s, playing at representative level for Wales, and at club level for Acton and Willesden, Huddersfield, and Leeds, as a, i.e. number 3 or 4.
Split into simpler sentences: Dennis Madden is a Welsh professional rugby league footballer who played in the 1930s. He played at representative level for Wales, and at club level for Acton and Willesden, Huddersfield, and Leeds, as a, i.e. number 3 or 4.