Complex sentence: Barnes made his debut in the National Rugby League competition in 2005, aged 18, coming off the bench in the round 8 game against the Manly Sea Eagles he then went onto make 9 appearances for the Broncos, scoring 1 try.
Split into simpler sentences: Barnes made his debut in the National Rugby League competition for the Broncos in 2005, aged 18, coming off the bench in the round 8 game against the Manly Sea Eagles. He then went onto make 9 appearances for the Broncos, scoring 1 try.