Complex sentence: David "Dave" Downs is a professional rugby league footballer who played in the 1970s, and 1980s, playing at club level for Featherstone Rovers (Heritage № 556).
Split into simpler sentences: David "Dave" Downs is a former professional rugby league footballer who played in the 1970s, and 1980s. He played at club level for Featherstone Rovers (Heritage № 556).