Complex sentence: John "Jack" Townend was a professional rugby league footballer who played in the 1890s, and 1900s, playing at club level for Hull F.C. and was captain of Hull during the 1900--01 season.
Split into simpler sentences: John "Jack" Townend was a professional rugby league footballer who played in the 1890s, and 1900s. He played at club level for Hull F.C. and was captain of Hull during the 1900--01 season.