Complex sentence: He moved to Darwin and began playing for the St Marys Football Club and then at age 14, moved to Melbourne to pursue a career in the AFL--boarding at and playing for Scotch College.
Split into simpler sentences: He moved to Darwin and began playing for the St Marys Football Club. When Rioli was 14, he moved to Melbourne to pursue a career in the AFL--boarding at and playing for Scotch College.