Complex sentence: Bellamy was appointed head coach of the Melbourne Storm for the 2003 NRL season, there he has achieved great success; winning the 2007 Grand Final over Manly, and the 2009 Grand Final against Parramatta.
Split into simpler sentences: Bellamy was appointed head coach of the Melbourne Storm for the 2003 NRL season. There he has achieved great success; winning the 2007 Grand Final over Manly, and the 2009 Grand Final against Parramatta.