Complex sentence: Playing years above his age gave Melbourne the confidence to give Folau an opportunity in the NRL, and at only 17 years of age he made his debut in the 2007 NRL season.
Split into simpler sentences: Playing years above his age gave Melbourne the confidence to give Folau an opportunity in the NRL. Folau was just 17 years of age when he made his debut in the 2007 NRL season.