Complex sentence: Sidney "Sid"/ "Syd" Smith was a professional rugby league footballer who played in the 1920s, and 1930s, playing at club level for Featherstone Rovers (Heritage № 84).
Split into simpler sentences: Sidney "Sid"/ "Syd" Smith was a professional rugby league footballer who played in the 1920s, and 1930s. He played at club level for Featherstone Rovers (Heritage № 84).