Complex sentence: Samuel "Sam" Roberts was a rugby union footballer of the 1880s, playing at representative level for England, and at club level for Swinton, playing at Fullback, i.e. number 15.
Split into simpler sentences: Samuel "Sam" Roberts was a rugby union footballer of the 1880s. He played at representative level for England, and at club level for Swinton, playing at Fullback, i.e. number 15.