Complex sentence: Steve Burney is a professional rugby league footballer who played in the 1980s, playing at club level for Whitehaven (twice), and lower grades for Western Suburbs Magpies, as a, i.e. number 11, or 12, during the era of contested scrums.
Split into simpler sentences: Steve Burney is a former professional rugby league footballer who played in the 1980s. He played at club level for Whitehaven (twice), and lower grades for Western Suburbs Magpies, as a, i.e. number 11, or 12, during the era of contested scrums.