Complex sentence: Barry Parker is a professional rugby league footballer who played in the 1970s, playing at club level for Wakefield Trinity (Heritage № 792), as a, i.e. number 2 or 5.
Split into simpler sentences: Barry Parker is a former professional rugby league footballer who played in the 1970s. He played at club level for Wakefield Trinity (Heritage № 792), as a, i.e. number 2 or 5.