Complex sentence: Roy Lambert is a Welsh professional rugby league footballer who played in the 1950s, playing at representative level for Wales, and at club level for Neath RLFC, Dewsbury, Warrington, Castleford, and Wigan, as a, i.e. number 2 or 5.
Split into simpler sentences: Roy Lambert is a Welsh former professional rugby league footballer who played in the 1950s. He played at representative level for Wales, and at club level for Neath RLFC, Dewsbury, Warrington, Castleford, and Wigan, as a, i.e. number 2 or 5.