Complex sentence: Tim Slatter is a professional rugby league footballer who played in the 1980s, playing at club level for Featherstone Rovers (Heritage № 582), as a, i.e. number 11 or 12, during the era of contested scrums.
Split into simpler sentences: Tim Slatter is a former professional rugby league footballer who played in the 1980s. He played at club level for Featherstone Rovers (Heritage № 582), as a, i.e. number 11 or 12, during the era of contested scrums.